Back to the librarykm 1–16km 23–29km 30–32km 36–36km 43–54km 70–71
Road bikeMade by RouteCasterRound trip
Waterside through the Chartreuse
Distance
71 km
Ascent
2,609 m
Highest point
1,449 m
100% paved
Start from your location
Ride there from home: we find the shortest way to the loop and start the loop from there.
The ride
From La Tronche you roll out toward the Parc naturel régional de Chartreuse, then follow La Vence and later L'Isère on the way back. All 71.5 km of the route is paved, with 2609 m of climbing along the way. The rivers guide you home to La Tronche, where the ride began.
Climbs
Col de PorteHC
14.6 km at 7.5% · max 29.2%
Climb 2Cat. 2
5.3 km at 8% · max 37.9%
Col du CoqCat. 3
2.1 km at 9.9% · max 18.9%
Climb 4Hill
0.5 km at 7.4% · max 24.8%
Climb 5Cat. 2
11.2 km at 5.2% · max 31.2%
Climb 6Hill
1.8 km at 4.4% · max 12.3%
Routes nearby
Road bike100% paved
P'tites Routes du Soleil, étape 8, Saint-Pierre-d'Entremont / Grenoble
41 km↑ 1,327 m11 km away
Col de Clémencières · Col de Palaquit
Gravel20% paved
Rondje Tour de Montfallet en L'Isère
44 km↑ 2,206 m20 km away
Road bike99% paved
Rondje Fort Barraux en Le Bréda
82 km↑ 2,637 m24 km away
Road bike100% paved
Circuit des Entremonts
44 km↑ 1,680 m27 km away
Col des Égaux · Col de Couz
Gravel38% paved
Rondje Parc naturel régional de Chartreuse en Le Guiers Mort
60 km↑ 2,228 m27 km away
Road bike100% paved
P'tites Routes du Soleil, étape 7, Lépin-le-Lac / Saint-Pierre-d'Entremont
36 km↑ 1,164 m30 km away
Col des Égaux · Col de Couz