Oisans Col Series – Col de Sarenne

Leaving from Le Perron (1600m), 3.8km after Clavans le Bas, cyclists can ride to the Col de Sarenne from 8.45am to 12pm, in complete peace and quiet. It's also possible to start from Alpe d'Huez (on the road reserved for cyclists after the altiport). There is no fixed start time, and no timing.

Distance: 11 km
Difference in altitude: 542 m
Average time: 1h15

Oisans Col Series - Every Tuesday in summer - Roads closed to motor vehicles
Every Tuesday morning, cyclists can climb the following car-free passes and roads: Col de la Croix de Fer et du Glandon, Col du Solude, Col d'Ornon, Col de Sarenne, Col du Sabot, Montée vers l'Alpe d'Huez, Montée vers Villard Reculas, Montée vers Oz en Oisans and Montée des Deux Alpes.

This is a free, non-timed gathering of cyclists, with no registration and no fixed start time. The organizer may be forced to cancel a date in the event of bad weather.
Please be careful and respect the highway code!

Dates and route Oisans Col Series 2025
Cols de la Croix de Fer et du Glandon: Tuesday, July 1, 2025 from 9am to noon.
Col du Solude: Tuesday, July 8, 2025 from 9am to 11am.
Col du Sabot: Tuesday, July 15, 2025 from 9am to 12pm.
Ascent to Villard-Reculas: Tuesday, July 22, 2025 from 9am to 11am.
Ascent to Les 2 Alpes : Tuesday, July 29, 2025 from 9am to 11am.
Col de Sarenne: Tuesday, August 5, 2025 from 9:45am to 12pm.
Col d'Ornon: Tuesday, August 12, 2025 from 9am to 11am.
Ascent to Oz-en-Oisans: Tuesday, August 19, 2025 from 9am to 11am.
Ascent to Alpe d'Huez: Tuesday, August 26, 2025 from 9am to 11am.