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Intro

This loop through Ruinaulta (Rhine Gorge) and past Lake Cauma is an easy introduction to trail running, or a quick way to rack up kilometres. The route mainly comprises wide trails and dirt roads with easy footing.

Description

Located between Chur and Disentis, Flims in Graubünden is a relaxing holiday destination for hiking and swimming. It’s also great for running year-round, as it’s below 1,200m. The run begins through forests and pastures, dropping down to the Vorderrhein, where it meets the tracks of the Rhaetian Railway.

The setting is unique, with the road winding alongside the unusual white limestone cliffs of Ruinaulta, where you can see the lasting impact of the Flims Rockslide. The rockslide, which happened 10,000 years ago, is the largest landslide to have occurred in the Alps.

As you run alongside river rafters and follow the bend in the railroad tracks, you quickly arrive at Chrummwag at the base of the Ruinaulta cliffs to begin the short climb. A minor detour to the Il Spir viewing platform gives you a bird’s eye view of the route you’ve already covered. The next stop is Lake Cauma, where you can find out why it’s often referred to as “Lake Siesta” before finishing the loop.

Tip from ALPSinsight: This is the perfect route for people who want to transition from road running to trail running.

An enjoyable tour includes the careful planning of the same. Please inform yourself in advance at the local information center about the route and weather conditions. Depending on the season and weather conditions, this route may be blocked or interrupted

Technical information

Show Technical information content
Start location
Flims
Destination
Flims
Start Point
Flims Waldhaus Post
Target Point
Flims Waldhaus Post
Direction
Round trip
Altitude (meter above sea level)
1111 m
Ascent
868 m
Descent
868 m
Distance
20 km
Physical requirements
Easy
Season
April - October
Theme
Through a gorge, Along Water
Route GPX Download Route-GPX

Map

SwitzerlandMobility Map: This element is not accessible for disabled people.

Quick Facts

Route number

Distance

20 km

Ascent

868 m

Travel information: Flims

Current Offers

  • Flims Culinary hike "Forest and Water" from Flims

    You hike along the impressive Rhine Gorge to Crestasee. Along the way, you stop three times at... from CHF 60
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    valid: 15.05.2026 - 25.10.2026

    Learn more about Culinary hike "Forest and Water" from Flims
  • Flims Kulinarik Trail Wald und Wasser

    3 course menu without drinks for CHF 60.00 per person 11.15 am Starter at Bistro Kaufmannfrauen,... from CHF 60
    Offer details


    valid: 15.05.2026 - 25.10.2026

    Learn more about Kulinarik Trail Wald und Wasser
  • Flims Self-Guided E-Bike Culinary Trail from Flims

    With the E-Bike, you ride from Flims Dorf to Valendas and back. Along the way, you pass the... from CHF 80
    Offer details


    valid: 11.06.2026 - 18.10.2026

    Learn more about Self-Guided E-Bike Culinary Trail from Flims
  • Flims Kulinarik-Trail Forest and Water Groups

    11.15 am: starter at bistro kaumannfrauen, bruschetta with tomatoes and onions or a small house... from CHF 60
    Offer details


    valid: 15.05.2026 - 25.10.2026

    Learn more about Kulinarik-Trail Forest and Water Groups
  • Flims FlemXpress Cable Car from Flims

    Enjoy a flexible ride with the FlemXpress Cable Car from Flims. Hop on whenever you like. It's... from CHF 25
    Offer details


    valid: 02.05.2026 - 03.05.2026

    Learn more about FlemXpress Cable Car from Flims
  • Flims E-Bike Kulinarik-Trail

    3 course menu CHF 80.- (without drinks and bike rental) 10.00 am Breakfast for gourmets at the... from CHF 80
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    valid: 11.06.2026 - 18.10.2026

    Learn more about E-Bike Kulinarik-Trail
  • Fidaz Historic Pinut via ferrata for beginners starting from Flims

    The Pinut via ferrata takes you up to the Flimserstein with views over Crestasee and Caumasee and... from CHF 195
    Offer details


    valid: 04.05.2026 - 31.10.2026

    Learn more about Historic Pinut via ferrata for beginners starting from Flims
  • Laax Culinary hike "Mountain and View" from Laax

    You combine a scenic walk from Laax to Flims with visits to four restaurants. You take the panoramic... from CHF 90
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    valid: 05.07.2026 - 18.10.2026

    Learn more about Culinary hike "Mountain and View" from Laax