Cycling in Altdorf
1 cycling route from Altdorf, Switzerland, 23 km, 23 km mapped in all, with up to 1,494 m of climbing in a day. Mountainous riding (65 m of climbing per km on average), mostly road routes, 74% of the riding on main roads without a cycle lane. 1 named climb; the high point is 1,953 m on Klausen Pass from Altdorf. Best months to ride: May to Oct.
At a glance
- Routes
- 1
- Lengths
- 23 km
- Biggest day
- 1,494 m
- Terrain
- Mountainous
- Surface
- Mostly paved
- Bike
- Road bike
- Difficulty
- Hard
- Named climbs
- 1
- Best months
- May to Oct
- GPX
- Every route
Know before you go
Added up from the recorded routes and OpenStreetMap; nothing estimated.
- Surface
- Paved almost throughout.
- Roads
- 74% of the riding on main roads without a cycle lane.
- High point
- 1,953 m on Klausen Pass from Altdorf.
- Climbs
- 1 named climb · 1 ascent of 500 m or more.
- Bail-outs
- A railway station or ferry within reach on 1 route.
Cycling guide to Altdorf
Altdorf is a starting point for a notable climb up the Klausen Pass in Switzerland. The route extends 22.5 km from Altdorf, gaining nearly 1500 m in elevation and reaching a height of 1953 m. Riders mainly use paved surfaces, with a small proportion on gravel or unpaved roads. The climb begins quickly after leaving the town, spanning almost 22 km with an average gradient of 6.8% and a maximum gradient of 19.8%. The biggest climb covers most of the route, leaving little flat terrain. This route lies entirely within Switzerland and includes a railway station near the route for access. There are no intermediate named places or settlements along the way.
More on terrain
Terrain
The terrain is mountainous with a prolonged climb beginning almost at the start, averaging 6.8% and maxing out at 19.8%. The route reaches a high point of 1953 m after 21.9 km of ascent. The majority of the route is paved, with only about 5% gravel or unpaved sections. The steep gradients and significant elevation gain define the ride.

