4.5
(1936)
21,447
riders
207
rides
Mountain biking around Solis Stausee (Albula) offers diverse terrain within a mountainous landscape. The region features deep gorges, alpine river valleys, and high peaks, providing varied elevation changes for mountain bike trails. Riders can expect a mix of forest paths, gravel sections, and technical single trails, often with views of the Solis Viaduct and the Albula River.
Last updated: May 14, 2026
4.9
(16)
246
riders
34.3km
04:30
1,770m
1,770m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.5
(8)
123
riders
63.7km
06:20
1,870m
1,870m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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5.0
(2)
99
riders
50.9km
05:55
1,780m
1,780m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(4)
84
riders
34.1km
04:05
1,340m
1,340m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
72
riders
106km
08:53
2,520m
2,520m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Landwasser Viaduct / Built 1901–02 The Landwasser Viaduct, built in 1901–02, is a masonry arch bridge, built in a curve, with a length of 136 m, a height of 65 m and spans of 20 m. It is one of the most elegant bridge constructions of the RhB. Text / Source: Bergün Filisur Tourismus AG Gästeinformation, Veja Stazion 11, Bergün/Bravuogn https://www.berguen-filisur.graubuenden.ch/de/landwasserviadukt
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The Landwasser Viaduct of the Rhaetian Railway A must-see for all railway enthusiasts – beauty and boldness combined. With its 65m high, tapering pillars, the viaduct is one of the most elegant bridge constructions in Graubünden and the most photographed work of art of the Rhaetian Railway. The largest and at the same time most spectacular structure on the 63-kilometer-long Albula line between Thusis and St. Moritz. The Albula and Bernina lines of the Rhaetian Railway have been part of the Unesco World Heritage since mid-July 2008, and are only the third railway line worldwide to do so. The construction of the three main pillars of the viaduct in 1901/1902 was an architectural masterpiece, as they were built without scaffolding using two cranes. After 106 years, the masonry and the track trough were repaired for the first time. The natural stone viaduct made of calcdolomite is 142 meters long and leads in a sweeping curve over the wild Landwasser valley directly into a tunnel, the entrance of which is located on the vertically falling rock face. From the village of Filisur, a footpath leads in half an hour to a beautiful viewpoint from which the viaduct can be admired (and photographed). The path continues either down to the river, under the viaduct into the gorge, or at the fork in the path to the viewpoint, continuing for two hours to the Wiesenv iaduct. This can also be crossed on a footpath and thus becomes a special experience with a deep view. Text / Source: Bergün Filisur Tourismus AG, Veja Stazion 11, Bergün / Bravuogn https://www.myswitzerland.com/de-ch/erlebnisse/landwasserviadukt-der-rhb/
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Landwasser Viaduct (near Filisur station) Landwasser Viaduct is a 65-meter-high and long railway bridge. Its pillars majestically rise 65 meters high: The Landwasser Viaduct on the Albula Line, which allows the Rhaetian Railway to cross the roaring Landwasser river over a length of 141.7 meters. In a large curve, the viaduct leads directly into a steep rock face. This breathtaking structure is today the most photographed subject on the Rhaetian Railway line. But the origin story of the viaduct is also amazing: The Greek-Swiss engineer Alexander Acatos (1873-1950) was entrusted with the construction of the viaduct. He was also the one who later planned the expansion of Zurich Main Station for the SBB. Under Acatos's guidance, the five limestone pillars with six semi-circular arches, each with a span of 20 meters, were built starting in March 1901. For cost reasons, a new construction technique was developed for the building: The pillars were built without external scaffolding. Instead, iron frameworks were embedded in the three longest pillars and adjusted in height with each construction progress. The three iron frameworks were connected with crossbeams, to which electric construction cranes could be mounted. These lifted the necessary building materials to the respective pillar height. To connect the stones of the pillars, a mixture of calcareous mortar and sand was used. The mortar came from a factory in Unterterzen on Lake Walen and was transported to the emerging Landwasser Viaduct via a construction railway laid on the future track with a 0.75-meter gauge. After only about one and a half years of construction, the Landwasser Viaduct was completed in October 1902. The building substance has since proven to be resilient: The Landwasser Viaduct only had to be slightly repaired in 2009. Today, the Landwasser Viaduct is still the landmark of the Rhaetian Railway and, as an imposing structure, invites passengers, tourists, and locals to take photos. Text / Source: Rhaetian Railway AG, Bahnhofstrasse 25, CH - 7001 Chur https://www.rhb.ch/de/blog/weltbekannt-der-landwasserviadukt
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Landwasserviadukt „142 meters long and 65 meters high bridge piers“ The 142-meter-long Landwasserviadukt is the landmark of the Rhaetian Railway. The viaduct leads in a beautiful curve across the Landwasser Valley directly into the rugged rock face into the Landwasser Tunnel. The hallmark of the Landwasserviadukt are the six closely spaced, 65-meter-high bridge piers with a span of only 20 meters. „Built 1901–02“ Text / Source: Rhätische Bahn AG, Bahnhofstrasse 25, Chur https://tickets.rhb.ch/de/products/landwasserviadukt
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A beautiful village with gorgeous houses and great restaurants. We were particularly taken with the spa hotel.
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Not for beginners! Very nice and panoramic, coasting the river! The flow is interrupted by a couple of very difficult sections (S3) with rocks where walking may be wiser 😀 🪨 🏍
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The Zügerschlucht Gorge and the trail along the Landwasser River were the final highlight of my Alps Epic Trail Tour!
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In Switzerland, you can build railway lines in the most incredible places. Simply amazing!
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The region offers a diverse mix of terrain, including forest paths, gravel sections, and technical single trails. You'll encounter varied elevation changes as you navigate deep gorges, alpine river valleys, and high peaks, often with views of the Solis Viaduct and the Albula River.
There are over 200 mountain bike trails documented around Solis Stausee (Albula) on komoot. This includes a wide range of options, from moderate routes to challenging, difficult trails.
Yes, while the region is known for its challenging routes, there are 25 easy and 67 moderate trails available. These provide excellent options for beginners or those looking for a less strenuous ride, allowing you to enjoy the scenic landscape at a comfortable pace.
For advanced riders seeking a challenge, the area offers 116 difficult trails. Routes like the Ziteil Pilgrimage Chapel – Forest Trail in Graubünden loop from Tiefencastel, with its 1,765 meters of elevation gain over 34.3 km, or the extensive Bergün/Bravuogn – Lake Silvaplana loop from Tiefencastel, covering over 100 km with 2,500 meters of ascent, provide significant technical and physical demands.
The prime season for mountain biking in the Solis Stausee region typically runs from spring through autumn. During these months, trails are generally clear of snow, and the weather is more favorable for riding. Some higher-altitude trails may remain snow-covered into early summer.
While many trails are challenging, the region does offer easier routes suitable for families. Look for the 25 trails rated as 'easy' on komoot, which often feature less elevation gain and smoother surfaces, allowing for a more relaxed family outing.
Generally, dogs are permitted on trails in the Solis Stausee region, but it's always advisable to keep them on a leash, especially in areas with livestock or wildlife. Be mindful of other trail users and ensure your dog is well-behaved and can handle the terrain and distance.
The area is rich in natural and cultural landmarks. You can expect views of the iconic Solis Viaduct, the dramatic Albula Gorge, and the scenic Albula River Valley. The UNESCO World Heritage Rhaetian Railway, with its impressive bridges and tunnels, is also a frequent sight. Historic villages like Filisur and Bergün offer charming stops along many routes.
Yes, the Rhaetian Railway (RhB), a UNESCO World Heritage site, provides excellent public transport access throughout the Albula Valley. Many villages along the railway, such as Tiefencastel, serve as convenient starting points for trails, allowing you to reach various routes without a car.
Charming villages like Tiefencastel, Filisur, Bergün, and Alvaneu Dorf are dotted throughout the region and offer various amenities. You'll find cafes, restaurants, and accommodation options in these villages, perfect for a break or an overnight stay after your ride. The Mineral Bath Alvaneu Bad also offers a place to relax.
The area is highly rated by the komoot community, with an average score of 4.5 stars from nearly 2,000 reviews. Riders often praise the diverse terrain, the breathtaking alpine scenery, and the challenging nature of many routes. The combination of natural beauty and varied riding experiences is a consistent highlight.
Yes, many routes in the region are designed as loops, allowing you to start and finish in the same location. Examples include the Alp Flix – Colorful Building in Riom loop from Tiefencastel and the Zügenschlucht Trail – View of the Landwasser Viaduct from below loop from Tiefencastel, offering convenient circular journeys.
Trail distances vary significantly, from shorter loops to extensive tours. For example, the Aclas Dafora – Belfort Castle Ruins loop from Tiefencastel is around 34 km with 1,348 meters of elevation gain, while longer routes can exceed 60 km with over 1,800 meters of ascent, like the Alp Flix – Colorful Building in Riom loop from Tiefencastel.


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