Col de Proncel

Altitude 1100 m

Massif du Vercors

Département Drôme

Topo North slope

image-20220304095020-1

The Col de Proncel - 1100 m - is located in the center of the Vercors Massif. It links La Chapelle-en-Vercors and Vassieux-en-Vercors. The ascent takes place in a tranquil setting surrounded on all sides by the sheer rock faces of the Vercors Massif.
Leaving the D103 for the D611, you'll first have to make a good effort with a 1.4 km ramp at an average gradient of 7.5% to reach La Chapelle-en-Vercors in a more leisurely fashion.
From La Chapelle-en-Vercors onwards, you'll have to make a good effort with a 1.4 km ramp at an average gradient of 7.5%. From La Chapelle-en-Vercors onwards, you think it's going to be easy when the first 1,700 metres consist of a descent followed by an uphill false flat. 
The gradient picks up on the approach to the Cime du Mas, with 800 m at 4.5%, then increases to 1.8 km at 6/6.5%. 
Then the route continues to undulate on a 4/4.5% gradient all the way to the Col de Proncel at 1100 m.

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Villard-de-Lans / Die

10 Villard-de-Lans / Die

73 km
5 h 40 min
Medium
Reaching the Diois area via the P’tites Routes du Soleil® promises a complete change of scenery and a southern feel… but before that, time to ride right across the natural fortress of the Vercors. Hostilities begin as you leave Villard-de-Lans and climb the small Col d’Herbouilly (a pass at 1,370m). Further on, the Col de Proncel (at 1,100m) links the villages of La Chapelle-en-Vercors and Vassieux-en-Vercors. After Vassieux, the Col de St-Alexis (1,222m) allows you to carry on to the Col de Rousset (1,245m). As to the Tunnel du Rousset, 769m in length, note that it requires lights to cycle through it. As you descend off the Vercors Plateau towards Die, the contrast is extraordinary. Before long, you’ll spot your first lavender fields, a foretaste of Provence. For a challenging, interesting alternative to the Col du Rousset as a way down from the Vercors Plateau, opt for the Col de la Bataille (1,313m), then descend towards Die via the Gervanne Valley and the Col de la Croix.

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Joris Lesueur

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