Fact-checked by Grok 2 weeks ago

Stoosbahn

The Stoosbahn is the world's steepest railway, connecting the town of to the car-free mountain village of in the Swiss , with a length of 1,740 meters, a maximum gradient of 110%, and a vertical ascent of 744 meters completed in 4 to 7 minutes. Opened to the public on December 17, 2017, it replaced an earlier built in 1933, addressing capacity limitations and providing enhanced accessibility to Stoos, a popular destination for , , and panoramic views over . The railway's innovative design features two cars, each comprising four cylindrical cabins that automatically adjust to maintain a level floor for passengers, ensuring comfort on the steep inclines while traversing two bridges and three tunnels. Each car accommodates 136 passengers—34 per cabin—for a total transport capacity of up to 1,500 people per hour in each direction, powered by two 1.2 MW ABB motors with energy-efficient AC drives. As a key link to Stoos's 35 kilometers of winter pistes and extensive summer trail networks, the Stoosbahn not only holds the for steepest but also promotes in this Alpine region by eliminating the need for private vehicles in the village.

Introduction

Location and Route

The Stoosbahn is a funicular railway in the , , connecting the valley station at Hinteres Schlattli in the municipality of Schwyz, at an elevation of approximately 550 m above , to the mountain in the car-free village of at 1,300 m. Spanning a total route length of 1,740 m, the line overcomes a vertical height difference of 744 m, making it a key link between the Muota Valley and the alpine plateau above. The route ascends steeply through a combination of open sections, two bridges, and three tunnels, featuring a to enable the two cars to cross paths during operation. Built to a standard of 1,435 mm, it integrates with local bus services at the valley station via line 501 from railway station, while the mountain station arrives directly in village center for seamless pedestrian access to the resort's facilities.

Significance

The Stoosbahn holds the distinction of being the world's steepest funicular railway, achieving a maximum of 110% equivalent to a 47.7° incline, a record certified by upon its opening. This engineering feat surpasses previous benchmarks, such as the Gelmerbahn in , and underscores the innovative design required to navigate the challenging terrain while maintaining passenger safety and comfort. Opened in December 2017, the Stoosbahn replaced the original Schwyz-Stoos , which had operated since 1933 and was decommissioned due to its outdated infrastructure and limited capacity. The new system significantly enhances access to the car-free mountain resort of , reducing travel time to 4-7 minutes over a 744-meter gain. As a critical transportation link in the , the Stoosbahn serves approximately 150 residents of the isolated village, providing their primary year-round connection to the valley below for essential services and commuting. It also plays a pivotal role in regional , facilitating efficient transport for skiers accessing winter slopes and hikers exploring summer trails in the Stoos-Fronalpstock area, thereby boosting the local through increased visitor accessibility. With a bidirectional capacity of 1,500 passengers per hour, the railway supports high-volume seasonal traffic while promoting sustainable mobility in this environmentally sensitive Alpine region.

Technical Specifications

Route Characteristics

The Stoosbahn features a challenging route profile, with a maximum of % (equivalent to 47.7 degrees) achieved over specific sections, particularly within its tunnels, making it the steepest funicular railway in operation. The overall average is approximately 42.8%, calculated from an elevation gain of 744 meters over a track length of 1,740 meters, demanding precise engineering to ensure stability and passenger comfort. To navigate the rugged alpine terrain, the route incorporates significant adaptations, including three tunnels totaling over 500 meters in length, constructed using drill-and-blast methods to pierce through varying rock bands while maintaining the extreme inclines. The track is configured as a single-track with a midpoint passing siding located approximately 685 meters from the base station, enabling the two counterbalanced vehicles to exchange positions efficiently without halting operations. This layout optimizes space in the narrow mountain valley while accommodating the bidirectional movement essential to funicular design. Environmental integration was a key consideration in the route's development, with excavated rock from the tunnels reused on-site by the operator to minimize waste and landscape alteration in the sensitive alpine ecosystem. The project adhered to stringent building standards for and , including rigorous health and protocols during that resulted in no major incidents, ensuring the infrastructure blends seamlessly with the protected natural surroundings of the .

Drive and Control Systems

The Stoosbahn employs an electric propulsion system powered by two low-voltage asynchronous , each rated at 1.2 MW, for a total output of 2.4 MW, enabling efficient operation on its extreme gradient. These drive a mechanical system with a 54 mm diameter cable, connected to counterbalanced cars that move in opposite directions, minimizing energy requirements through mutual support. Control systems utilize energy-efficient AC drives provided by ABB, which enable stepless speed regulation to maintain smooth and deceleration across varying terrain. The maximum operating speed reaches 10 m/s (36 km/h), allowing a full journey of 1,740 meters to take approximately 4 minutes. Recuperative braking recovers energy during descent as heat, which is used to heat the nearby Stoos Lodge, enhancing and supporting emergency speed reduction. Safety is ensured through the inherent funicular design, which operates independently of rail adhesion by relying on haulage and counterbalancing, eliminating risks associated with slip on steep inclines. A hydraulic leveling system maintains cabin floors horizontal throughout the ride, while the drives incorporate overload protection to prevent excessive loads on the motors and . Additional safeguards include 86 hold-down pulleys along the route to secure the haul and counter ropes against derailment forces.

Vehicles and Capacity

Design Features

The Stoosbahn operates with two identical counterbalanced vehicles, each comprising four interconnected spherical cabins designed to rotate independently during transit, ensuring the flooring remains level for passengers despite the extreme 110% gradient. This innovative rotation mechanism, powered by hydraulic systems integrated with the drive setup, allows each cabin to adjust continuously, providing a stable and comfortable experience akin to standing on flat ground. Each vehicle accommodates 136 passengers across its four cabins, with 34 passengers per cabin including both seating and standing areas, and features low-floor entry points to facilitate accessibility for users and those with mobility aids. The spacious interiors include large panoramic windows for unobstructed views of the surrounding , enhancing the passenger experience on the short but steep ascent. The vehicles' lightweight construction optimizes on the demanding incline, while the automatic leveling ensures precise alignment with the horizontal platforms at both the valley station in and the mountain station near , enabling smooth and barrier-free boarding and disembarking. This design not only prioritizes passenger safety and comfort but also supports year-round operations in varying weather conditions.

Operational Capacity

The Stoosbahn achieves a transport capacity of 1,500 passengers per hour in each direction, a significant improvement over its predecessor, enabling efficient access to the plateau. This throughput is facilitated by short cycle times, with journeys lasting 4 to 7 minutes and frequent departures during peak periods, typically every 4 to 6 minutes to meet demand. Operational scheduling varies seasonally to accommodate and recreational needs. In winter, frequencies are increased to support skier to nearby slopes, maximizing utilization of the system's rated capacity during high-demand periods such as weekends and holidays. Summer operations maintain steady intervals for hikers and sightseers, with the running year-round except for scheduled maintenance, such as from 3 November to 5 December 2025. The funicular is operated by Stoosbahnen AG, with round-trip fares at 23.20 CHF for adults (as of November 2025), offering compatibility with Swiss public transport passes such as the Swiss Travel Pass, which provides full coverage, and the Half-Fare Card for a 50% discount. Ticketing is available at valley stations or online, ensuring seamless integration with networks for broader accessibility. Energy efficiency is enhanced through systems, which recover during descent to generate approximately 410,000 kWh annually—equivalent to the output from 41,000 liters of —thereby minimizing the overall environmental impact of operations. This approach, powered by efficient AC motors, supports sustainable without relying on additional .

History

Predecessor and Planning

The original Schwyz–Stoos funicular railway, which provided access to the car-free mountain village of , opened in 1933 and served as the primary link between and Stoos for over eight decades. This predecessor system had a capacity of 1,000 passengers per hour but became obsolete by the early due to aging infrastructure, maintenance challenges, and insufficient capacity to meet growing demands in the region. It was decommissioned on 7 December 2017 to make way for a more modern replacement. Planning for the new was led by bahnen AG, the operating company responsible for the Stoos railways, and spanned approximately 14 years from initial conceptualization through to completion in 2017. Feasibility studies during this phase focused on overcoming the site's extreme topography, including gradients exceeding 47 degrees and the need to minimize environmental disruption in the sensitive Alpine landscape of the . Key stakeholders encompassed the government, which provided regulatory oversight and financial support, local residents who engaged through multiple public consultations, and specialized engineering firms such as Doppelmayr Garaventa, which contributed expertise in funicular and feasibility. The process required winning 11 referendums to secure community approval and funding, ensuring broad consensus on the project's viability and benefits. Regulatory approvals were obtained through Swiss federal and cantonal processes, prioritizing enhanced safety features like advanced drive systems and structural reinforcements that addressed the predecessor's limitations in reliability and emergency response. These measures were integral to the planning, reflecting a commitment to modern standards for mountain transport infrastructure in an .

Construction and Opening

Construction of the Stoosbahn began in July 2013, following years of planning and approvals, with the project aimed at replacing the aging predecessor . The marked the start of significant earthworks, including the excavation of three tunnels totaling 562 meters in length, which presented major challenges due to the steep gradients of up to 110 percent and the need to employ the drill-and-blast method from top to bottom. These tunnels were completed with a breakthrough in February 2017, after which track laying commenced in using a specialized machine to install prefabricated segments of 5.6 meters each. The total cost of the project amounted to 52 million Swiss francs, financed through a combination of public funds from the federal government, , district, and municipality (accounting for 54 percent) and private contributions (46 percent). Track installation was finalized in the summer of , followed by the integration of the drive and control systems, including the hydraulic mechanisms for maintaining cabin orientation. Testing phases, encompassing checks and trial runs, occurred in late to ensure operational readiness. The Stoosbahn was officially inaugurated on 15 December 2017, with Swiss Federal Councillor and Transport Minister attending the ribbon-cutting ceremony on 16 December and further opening events on 17 December. These ceremonies highlighted the project's completion after approximately 14 years from initial planning, marking a key milestone in Swiss alpine infrastructure development.

Operations and Impact

Daily Operations

The Stoosbahn funicular operates year-round, providing daily service from its valley station in to the mountain village of , except during scheduled revision periods, such as from 3 November to 5 December in 2025 and 23 March to 24 April in 2026, for . Typical daily hours run from 7:10 a.m. to 8:40 p.m., with departures every 30 minutes at :10 and :40 past the hour, and extended operations until midnight on weekends during peak seasons. In winter, hours may extend further to accommodate activities, ensuring reliable access for up to 4,000 passengers per day during high season. The Stoosbahnen AG, which manages the funicular, employs between 101 and 250 staff members to handle operations across its transport systems. Operators conduct pre-shift to verify readiness, including the rotating cabins that adjust to the 47.7-degree , while adhering to strict protocols as the highest priority in daily routines. Procedures include monitoring weather conditions, with potential closures for high winds or severe conditions to protect passengers and crew, though the enclosed design minimizes exposure compared to open cable cars. Maintenance emphasizes daily cleaning and inspections to maintain hygiene and functionality, with staff using specialized tools like hand-held scrubbers, ride-on sweepers, and dry vacuums to remove dirt, , , and debris from cabins, windows, panoramic roofs, stations, and adjacent areas. These routines address passenger-related soiling, such as from boots in summer or in winter, ensuring the system's water ballast and rotation mechanisms remain operational without detailed public disclosure of overhaul schedules. Annual revisions during off-peak breaks involve comprehensive system checks, coordinated to minimize disruptions. For emergencies, the Stoosbahn integrates with Switzerland's rescue services, following standard funicular protocols for steep inclines that prioritize rapid communication and coordinated evacuations via integrated safety systems, though specific drills are not publicly detailed.

Economic and Touristic Impact

The opening of the Stoosbahn in December 2017 significantly boosted to the resort by providing efficient access to its ski slopes and hiking trails, attracting more day visitors to the car-free mountain village. Prior to the new funicular, Stoosbahnen AG recorded approximately 359,000 day guests in 2016, a figure that rose to 544,000 in 2018 following the upgrade, reflecting a 53% increase attributable to the improved . By 2023, day visitor numbers to had climbed to over 642,000, surpassing pre-pandemic levels and underscoring the funicular's role in enhancing year-round recreational access. Economically, the Stoosbahn has contributed to job creation and revenue generation for Stoosbahnen AG and the surrounding region, supporting direct in operations, , and . The influx of visitors has bolstered local businesses, including restaurants and shops, while generating substantial tourism-related , such as over CHF 456,000 in visitor taxes for the Morschach-Stoos area in 2019 alone. These funds have enabled enhancements, like playgrounds and areas, further stimulating the local . For the community, the has improved resident mobility in the car-free village, offering a reliable alternative to the previous and reducing dependence on from . This enhanced connectivity has fostered a quieter, more pedestrian-friendly environment, benefiting the approximately 150 permanent inhabitants by facilitating daily commutes and supporting small-scale local enterprises without vehicle congestion. Post-opening challenges included adaptations to the , which severely impacted with nationwide closures and reduced international travel; Stoosbahnen AG's day guests fell to levels implying a significant drop in , aligning with a broader 50% decline in tourist spending that year. Temporary operational halts occurred in line with guidelines from March to June , affecting revenue and visitor access. On , the incorporates to recapture energy during descent, promoting efficient operations, while regional initiatives in Stoos-Muotatal emphasize eco-friendly practices.

References

  1. [1]
    Stoosbahn, the steepest funicular railway in the world
    The journey from Schwyz to Stoos takes between 4 and 7 minutes. In the process, the Stoosbahn covers a total ascent of around 744 metres, and travels over two ...
  2. [2]
    Swiss president opens world's steepest funicular – DW – 12/16/2017
    Dec 16, 2017 · President Doris Leuthard formally cut the ribbon Friday to open the world's steepest funicular railway line in the Alpine village of Stoos.
  3. [3]
    World's steepest funicular railway starts chugging up Swiss ...
    Dec 18, 2017 · Each of those two cars can carry 136 passengers and is made up of four circular pods. When parked at either station, these pods sit horizontal, ...
  4. [4]
    STEEPEST FUNICULAR IN THE WORLD - Stoos
    34 persons can be accommodated in one cabin. With four cabins per car, this results in a transport capacity of 136 persons per trip. The planning and ...
  5. [5]
    Stoosbahn - the world's steepest funicular | News center - ABB
    Mar 2, 2020 · The world's steepest funicular climbs 1,700 meters from the Schlattli base station in the canton Schwyz in Switzerland to the car-free ski ...<|control11|><|separator|>
  6. [6]
    STOOS RAILWAYS
    The Stoos railways, funicular from Schwyz & cable car from Morschach, connect to the car-free mountain village Stoos – while setting a world record.
  7. [7]
    Stoosbahn (Stoos/Schwyz, 2017) | Structurae
    Dimensions ; length, 1 740 m ; number of stations, 2 ; height difference, 744 m ; longitudinal slope, 0 - 1100 ‰ ; track gauge, 1 435 mm.
  8. [8]
    Stoos funicular - The world record funicular – standseilbahnen.ch
    With a gradient of 47.73 degrees (110%), the Stoosbahn is the world's steepest funicular with a switch and 2 cars. The public inclined elevator of Scenic World ...Missing: elevation | Show results with:elevation
  9. [9]
    ARRIVAL BY PUBLIC TRANSPORT - Stoos
    Take the train to Schwyz, train station. From there, take bus number 501 in the direction of Muotathal Hölloch / Stoosbahn and get off at the bus stop.
  10. [10]
    Steepest funicular | Guinness World Records
    The world's steepest funicular railway is the Schwyz–Stoos funicular in the Alpine resort of Stoos, Switzerland, where gradients reach 47.7 degrees (110%).Missing: Stoosbahn | Show results with:Stoosbahn
  11. [11]
    World's steepest funicular rail line to open in Switzerland
    Dec 15, 2017 · Ivan Steiner, a spokesman for the railway, said the funicular replaced an older one that had operated since 1933. “After 14 years of planning ...
  12. [12]
    Steep, steep Stoosbahn - Implenia
    Aug 21, 2018 · Residents of the village in Canton Schwyz depend on the railway as their only year-round transport down to the valley.
  13. [13]
    World's Steepest Funicular Opens for Passenger Service in Stoos
    Dec 18, 2017 · While the funicular is primarily a recreational system for transporting visitors from Schywz to the tourist village / ski resort at Stoos, the ...
  14. [14]
    Implenia welcomes successful opening of Stoosbahn funicular railway
    Dec 18, 2017 · The core of the project, and the biggest challenge, was the construction of three tunnels and track with gradients of up to 110 percent.Missing: configuration | Show results with:configuration
  15. [15]
    How the 'Stoosbahn' Railway Climbs a Mountain as Steep as 47.7 ...
    Nov 16, 2021 · What makes the Stoosbahn stand out is that it's the world's steepest funicular, traveling up a grade as steep as 110 percent according to the ...Missing: average configuration tunnels
  16. [16]
    Stoosbahn: the world's steepest funicular railway turns braking into ...
    Apr 18, 2024 · With regenerative braking, instead of simply dissipating this energy, the car's braking system reverses the electric motor, transforming it into ...
  17. [17]
    Stoosbahn Schwyz - Mageba-group
    The travel time for about 750 m in height and almost 1,740 m in length takes between 3 and 5 minutes. 1,500 passengers (one way) per hour can be carried. The ...
  18. [18]
    world's steepest funicular railway opens in stoos, switzerland
    Dec 18, 2017 · the stoos bahn tram which consists of two lines of cylindrical carriages features a level-adjusting function allowing each 34-passenger cabin ...Missing: vehicle capacity materials automatic<|control11|><|separator|>
  19. [19]
    Funicular Stoos | SwitzerlandMobility
    The funicular has capacity for 1500 passengers per hour. 34 persons can be accommodated in one cabin. With four cabins per wagon, this results in a capacity of ...
  20. [20]
    Stoos Bahn - the steepest funicular in the world
    The special thing about it is that passengers are always seated horizontally thanks to automatic level compensation.Missing: capacity | Show results with:capacity<|control11|><|separator|>
  21. [21]
    World's steepest funicular now in operation - Greater Zurich Area
    Dec 18, 2017 · The funicular railway travels at a speed of 10 metres per second and can carry up to 1,500 passengers per hour in both directions. Each trips ...
  22. [22]
    Stoos Ridge Hike • Klingenstock to Fronalpstock (with map & tips)
    The Klingenstock lift is usually open from the second weekend of June through third weekend of October. It may stay open on weekends through early November, if ...<|control11|><|separator|>
  23. [23]
    Riding The World's Steepest Funicular Stoosbahn
    Did you know that the World's Steepest Funicular is in Switzerland? The Stoosbahn funicular is located in Schwyz and open for your visit!
  24. [24]
    Prices Stoos return/one way - stoos.ch/en
    The summer prices are valid from 1st May until and with 31 October 2025. All prices are in Swiss francs (CHF) including VAT. * available in the online shop ...
  25. [25]
    Increasing energy efficiency | OPTEC projects
    High capacity: Up to 1,500 passengers can be transported in each direction in one hour. That's 500 passengers more than the old funicular. Short journey ...
  26. [26]
    ABB motors power the steepest funicular in the world | Customer cases
    Two motors made by ABB power the funicular with a total output of 2.3 megawatts, enabling the transport of up to 1500 persons per hour in each direction.Missing: Stoosbahn | Show results with:Stoosbahn
  27. [27]
    [PDF] The world's steepest funicular railway
    Some of the earliest funicular railways were built as water- ballast systems, though fixed steam engines were also used. Many of the water-ballast installations ...Missing: Stoosbahn | Show results with:Stoosbahn
  28. [28]
    Stoosbahn Funicular - Atlas Obscura
    Jan 5, 2018 · The funicular opened in December, 2017, after 14 years of planning and building to replace its 84-year-old predecessor. It begins in Schwyz and ...
  29. [29]
    Stoosbahn - Swiss Activities
    Rating 4.8 (41) The history of the Stoosbahn. The current Stoosbahn was completed in 2017 ... The official opening of the railroad took place in mid-December 2017.
  30. [30]
    World's Steepest Funicular Coming to Stoos - The Gondola Project
    May 29, 2012 · The new Stoosbahn is due to open in 2013. Share: Funicular Garaventa Hungerburgbahn Hybrid Funicular Stoos Stoosbahn Von Roll. 1 Comment.
  31. [31]
    The car free Swiss village of Stoos needed an advanced funicular ...
    Aug 26, 2022 · On a single track that's over a mile long. ... And engineers will have to design revolutionary carriages able to adjust to that using radical ...Missing: environmental | Show results with:environmental<|control11|><|separator|>
  32. [32]
    Switzerland funicular: World's steepest railway opens - Stoos - BBC
    Dec 17, 2017 · The railway runs from the town of Schwyz up 110m (328ft) to the car-free Alpine village of Stoos. The Stoos Bahn took 14 years to build - two ...
  33. [33]
    Steepest funicular in the world opens in Switzerland | The Independent
    Dec 18, 2017 · The Stoos Bahn opened to the public on Sunday 17 December. More about. Switzerland travel. Join our commenting forum. Join thought-provoking ...
  34. [34]
    Explore Stoos and ride the world's steepest funicular: routes, costs ...
    The Stoosbahn consists of round compartments that shift above one another on the steepest parts.
  35. [35]
    FAQ | Important information about your stay at Fronalpstock
    Daily from 7:10 a.m. to 7:10 p.m., every half hour (at 10 past the hour and 20 to the hour) – different operating times apply later in the evening. See here for ...
  36. [36]
    Swiss funicular: the story of its impeccable cleanliness | Kärcher
    Learn about the challenges of maintaining the world's steepest funicular to Stoos, including cleaning cabins, stations, the areas outside. Explore now!
  37. [37]
    Stoosbahnen AG - 5 job offers on jobs.ch
    Key information · Tourism / Travel / Recreation · 101-250 employees · Stoosplatz 1, 6433 Stoos · Stoosbahnen AG ...
  38. [38]
    [PDF] 3. Geschäftsbericht - Stoos-Muotatal
    VORSTAND. Markus Bürgler. Illgau. Co-Präsident (Geschäftsführer) gewählt bis 2021. Silvan Kälin. Morschach Co-Präsident (Geschäftsführer) gewählt bis 2021.
  39. [39]
    Rush of visitors to the Stoos: "There are concerns", but restricting ...
    Aug 29, 2024 · Compared to the previous year, this was 13.4 percent more. While 566,233 day visitors were recorded in 2022, this figure rose to 642,155 in the ...Missing: impact | Show results with:impact
  40. [40]
    [PDF] 4. Geschäftsbericht - Stoos-Muotatal
    VORSTAND. Markus Bürgler. Illgau. Co-Präsident (Geschäftsführer) gewählt bis 2021. Silvan Kälin. Morschach Co-Präsident (Geschäftsführer) gewählt bis 2021.
  41. [41]
    Stoos - autofreies Naturparadies auf 1300 Meter über Meer
    Nature paradise at 1,300 meters above sea level. With its diverse range of mountain railways, Stoos is a recreational paradise in the heart of central ...
  42. [42]
    Car-free towns in Switzerland - MySwissAlps.com
    Sep 14, 2025 · Switzerland has several completely car-free mountain villages, such as Zermatt and Wengen. Many larger towns have a (partially) car-free town center.
  43. [43]