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Mountain biking trails

Italy

Aosta Valley

Roisan

Beautiful lake! – Alpine Votive Chapel loop from Roisan

Routes

Mountain biking trails

Italy

Aosta Valley

Roisan

Beautiful lake! – Alpine Votive Chapel loop from Roisan

Hard

4.7

(11)

riders

Beautiful lake! – Alpine Votive Chapel loop from Roisan

05:58

51.8km

1,840m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: August 20, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 18.3 km for 93 m

After 20.8 km for 97 m

After 27.6 km for 145 m

Waypoints

Start point

Bus stop

Get Directions

402 m

Casaforte di Rhins

Castle

4.80 km

Beautiful lake!

Highlight • Lake

Great spot to take a break and enjoy the view & reflections. There's picnic benches and possibly even a charging point...

Tip by

16.7 km

Ru de By

Highlight (Segment) • River

The Ru de By is a charming stream well known in the area because of the path that runs alongside it. Follow the water, you're sure to be on the right path.

Translated by Google •

Tip by

29.6 km

Thoules Lakes

Highlight • Lake

The des Thoules lakes occupy a shelf at about 2,320 meters in the Comba des Eaux Blanches, the valley that rises from the By basin towards the Fenêtre Durand, the …

Showing Translation

Tip by

36.8 km

The By Basin

Highlight • Lake

The tiny village of By is nestled in the splendid namesake basin surrounded by imposing peaks of surprising beauty, arranged in a worthy crown: the Grand Combin, Mont Velan, Mont …

Showing Translation

Tip by

44.2 km

Ru Pompillard

Highlight • Structure

rue pompillard

Translated by Google •

Tip by

46.8 km

Alpine Votive Chapel

Highlight • Religious Site

Beautiful alpine chapel set in a beautiful landscape

Translated by Google •

Tip by

51.8 km

End point

Bus stop

Way Types & Surfaces

Way Types

30.0 km

20.7 km

1.03 km

< 100 m

Surfaces

20.3 km

14.8 km

5.31 km

4.86 km

3.61 km

2.82 km

161 m

Elevation

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

Highest point (2,330 m)

Lowest point (770 m)

Weather

Tuesday 25 August

22°C

14°C

26 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

Comments

July 27, 2024,da ollomont a fenetre du durand via conca di By

Starting from Ollomont, the start is downhill on asphalt, then a little push up to the junction with the high route. Passage through an 800m long tunnel, lit but poorly, my light was useful. On a wide path up to the asphalt which in about 8km leads to the car park. I continue straight and follow the Ru de By …

Showing Translation

October 11, 2025,Ollomont

Tunnel to be done with a flashlight 800 meters a bit dark ...

Showing Translation

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Beautiful lake! – Alpine Votive Chapel loop from Roisan

Cows Grazing in the Alps

Beautiful lake!

Ru de By

Thoules Lakes

The By Basin

Ru Pompillard

Alpine Votive Chapel

Nearby routes

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