Colle San Carlo – View of Mont Blanc loop from La Thuile

Mountain biking trails

Italy

Aosta Valley

La Thuile

Colle San Carlo – View of Mont Blanc loop from La Thuile

Hard

4.7

(23)

223

riders

Colle San Carlo – View of Mont Blanc loop from La Thuile

03:59

28.2km

990m

Mountain biking

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: August 24, 2026

Tips

Cycling is not permitted along parts of this route

After 25.5 km for 103 m

After 26.1 km for 79 m

Waypoints

Start point

Bus stop

Get Directions

7.00 km

Colle San Carlo

Highlight • Mountain Pass

From Morgex:
Challenging and relentless climb, from a good military road it ascends with very regular gradients that allow, once you find your rhythm, to go steadily to the top …

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Tip by

12.4 km

View of Mont Blanc

Highlight • Viewpoint

This place offers splendid views of many Mont Blanc peaks, such as the summit, the Grand Jorasses and the Giant's Tooth.

Translated by Google •

Tip by

16.3 km

Col San Carlo – Col Croce Forest Trail

Highlight • Trail

18.2 km

Ruined Fort

Highlight • Historical Site

25.9 km

Panoramic View of the Alps

Highlight • Viewpoint

26.9 km

Flat Forest Trail in La Thuile

Highlight • Trail

28.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

11.9 km

7.09 km

6.18 km

2.76 km

174 m

103 m

Surfaces

10.8 km

7.84 km

5.52 km

2.19 km

1.49 km

365 m

< 100 m

Elevation

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

Highest point (2,360 m)

Lowest point (1,440 m)

Weather

Friday 9 October

8°C

2°C

11 %

Additional weather tips

Max wind speed: 6.0 km/h

to get more detailed weather forecasts along your route

Comments

September 14, 2024,La Thuile-Colle della Croce: 14/09/2024

From La Thuile to Colle della Croce and back.
From La Thuile take the SR39 that leads to Colle San Carlo. Once you reach the hill, take the path on the right that leads to Lago di Arpy. About 300 meters away there is a bunker from the Second World War (it is not marked). The entrance is right under …

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July 18, 2024,Aosta 2024: Colle della Croce - La Thuile

The second tour of the day is the complete opposite:
what a flow tour😍, up and down, if you take the first half of the climb out on asphalt. From the Colle San Carlo, the tour leads on a beautiful trail with fantastic views to the Punta della Croce, where an old, dilapidated military facility is still half standing.
I've …

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August 31, 2024,La thuile - Lago d’Arpy - Colle della Croce - La Thuile

A nice panoramic tour, the first part is on asphalt to reach Colle San Carlo, then on dirt road with technical sections to the top. The first part of the descent is very technical, not really suitable for beginners.

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