Groin Spring – Culoz loop from Vieu

Routes

Bike touring routes & trails

Groin Spring – Culoz loop from Vieu

Hard

4.6

(20)

715

riders

Groin Spring – Culoz loop from Vieu

05:39

63.5km

2,450m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: September 25, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 6.55 km for 24.1 km

Closed: • November-April

After 34.7 km for 23.4 km

Closed: • November-April

Waypoints

Start point

Parking

Get Directions

1.81 km

Groin Spring

Highlight • River

easily accessible by a forest road.

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6.54 km

Bicycle Monument of Virieu-le-Petit

Highlight • Monument

A cycling monument to mark the start of the Col du Grand Colombier via the western slope. There is a water fountain if you need to refill your water bottles b

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26.3 km

Lacets de Culoz (Grand Colombier)

Highlight (Segment) • Other

the GRAND COLOMBIER pass is special (it is hot on the way up and the descents are cool) to make especially 4 climbs with surprising slopes.

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32.2 km

Culoz

Highlight • Other

Located at the foot of the Grand Colombier and on the banks of the Rhône, Culoz has great historical wealth. Its first inhabitants populated it in 7600 BC, before passing …

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50.1 km

Col du Grand Colombier

Highlight • Mountain Pass

This pass, just over 1,500 meters high, is truly wonderful in every respect. The ascent is via small roads with very little traffic, but with many great views – the …

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