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Klöntalersee – Sihlsee loop from Altendorf

Klöntalersee – Sihlsee loop from Altendorf

Hard

4.5

(4)

193

riders

Klöntalersee – Sihlsee loop from Altendorf

08:10

152km

2,700m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: July 17, 2026

Tips

Includes a segment in which cycling is not permitted

After 123 km for 140 m

Waypoints

Start point

Train Station

Get Directions

36.2 km

View of the Alps in Glarus

Highlight • Viewpoint

In the ascent from Glarus up to the Klöntaler See and Pragelpass, there are always wonderful views. You can hardly help but look at the Alps :-)

Translated by Google •

Tip by

40.1 km

Klöntalersee

Highlight • Lake

Impressive big mountain lake lined by huge peaks

Translated by Google •

Tip by

41.2 km

View of Lake Klöntal and the Mountains

Highlight • Viewpoint

42.6 km

Klöntalersee

Lake

48.1 km

Bucket-list view of Klöntalersee

Highlight • Viewpoint

Awesome, incredibly beautiful view to the east

Translated by Google •

Tip by

54.9 km

Pragel Pass

Mountain Pass

55.6 km

The Pragel Pass is the small, hidden alternative to the Klausen Pass or a nice addition: Together with the Klausen Pass, it makes for a beautiful, but of course intense road bike tour with two challenging passes. The Pragel Pass takes you up to 1,550 meters. With its incredible view of the Muota Valley, it will definitely inspire you.

On weekends, the pass is closed to motorized traffic and is only available to cyclists.

Pass facts for the free pass:
Duration of the closure: 10 a.m. - 3 p.m. (closed sections change with the number of guests)
Highest point: 1,550 m
Start: Landsgemeindeplatz Glarus
Finish: Landsgemeindeplatz Glarus
Distance: 21 km, of which 21 km are closed
Elevation gain: 1,092, of which 1,092 are closed
Average gradient: 4.9%

Translated by Google •

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55.6 km

Pragel Pass from Muotathal

Highlight (Segment) • Mountain Pass

Since the Pragel Pass is closed to motorized traffic on weekends, it's perfect for a ride amidst the tranquility and beauty of nature. The climb from the Schwyz side is quite challenging right away, with the first few kilometers being particularly steep. Then, towards the top, it levels off somewhat.

Translated by Google •

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86.8 km

Ibergeregg Pass

Highlight • Mountain Pass

"Junction" for motorized traffic and for mountain bikers and hikers. From here in all directions. Large re-restaurant with terrace. Often also a motorcycle meeting point. Crowded on weekends.

Translated by Google •

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99.4 km

Sihlsee

Highlight • Lake

Slow speed - Pass:
From the west side, the ascent in the lower 2/3 is extremely steep, and a descent is also challenging due to hundreds of road patches. The width of the road means that you have to be careful even when two cyclists meet - but you are almost intoxicated by the charmingly beautiful alpine landscape. A pass that you shouldn't really tackle without training and ambition....

Translated by Google •

Tip by

152 km

End point

Train Station

Way Types & Surfaces

Way Types

82.3 km

45.6 km

21.4 km

2.45 km

178 m

< 100 m

Surfaces

146 km

5.44 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,560 m)

Lowest point (410 m)

Weather

Saturday 25 July

22°C

16°C

64 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Comments

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Klöntalersee – Sihlsee loop from Altendorf

View of the Alps in Glarus

Klöntalersee

View of Lake Klöntal and the Mountains

Bucket-list view of Klöntalersee

Pragel Pass

Pragel Pass from Muotathal

Ibergeregg Pass

Sihlsee

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