Road · From the map · France
Col de Porte from Grenoble
- 18 km
- 1,110 m
- Moderate
- Paved
Elevation profile
- 1,110 m
- 18 km
Route overview
This route suits cyclists prepared for a steep 1110 m ascent over 17.7 km.
A 17.7 km point-to-point climb to Col de Porte from Grenoble with 1110 m of ascent on mostly paved roads.
Starting near Grenoble, the route ascends over 15.4 km from 2.2 km into the ride, gaining 1102 m of elevation up to 1323 m at the Col de Porte. The climb is steep with an average gradient of 7.2% and a maximum of 14.4%. Nearly all the route is paved with 99% paved surface and just 1% unmapped. The roads consist mainly of main roads (68%) including 13.9 km on the D 512, with 12.1 km on main roads without a cycle lane and 5.7 km on roads with speed limits over 80 km/h. There are cycle lanes for 2.2 km and smaller portions of path, minor road, and quiet street. Facilities near the start in Grenoble include bakeries, cafés, a bike shop, and toilets. Along the climb, water is available at 2.3 km, 7.3 km, 10.8 km, and at the summit. Shops and cafés are near 5.6 km and 13 km. The longest stretch without café, shop, or water is 4.2 km between 13.5 km and the finish. The route ends at Col de Porte with café and restaurant options.
Highlights
- Steep 15.4 km climb to 1323 m at Col de Porte
- Route mainly on D 512 main road
- Water points at 2.3 km, 7.3 km, 10.8 km, and summit
- Nearby facilities in Grenoble start and Col de Porte finish
Along the route
Climbs
| Climb | Starts at | Length | Gain | Average | Max | Top |
|---|---|---|---|---|---|---|
| Grenoble climb | 2.2 km | 15.4 km | 1102 m | 7.2 % | 14.4 % | 1323 m |
Grenoble climb · starts at 2.2 km
< 4%4 – 7%7 – 10%> 10%
What this ride is like
- Roads
- 68% main road · 12% road with cycle lane · 8% path · 7% minor road
- Main roads
- 12.1 km on main roads without a cycle lane — likely busier
- Fast roads
- 5.7 km on roads with a limit of 80 km/h or more
- Cycle paths
- 2.2 km on cycle paths or roads with a cycle lane
- Main roads used
- D 512 (14 km)
- Surface
- Paved throughout
- Gradient
- 86% climbing · 1% descending · 13% flat
- Steep sections
- 12.7 km over 5% · 5.6 km over 8% · 0.9 km over 10% · steepest 500 m averages 14.7% at 0 km
Along the way
Food, water and shops
- 0.3 kmToilets · on the route
- 0.4 kmartisan boulanger pâtissier · bakery · 30 m off route
- 0.6 kmLa Fruitière des Halles · greengrocer · 80 m off route
- 0.6 kmL'Art du Vélo · bike shop · on the route
- 2.3 kmDrinking water · on the route
- 2.6 kmPharmacie du Péage · pharmacy · on the route
- 5.6 kmCafé de la place · café · on the route
- 5.6 kmUtile · convenience store · 40 m off route
- 7.3 kmDrinking water · on the route
- 10.8 kmSource de Fontaine Galante · spring · 40 m off route
- 13.1 kmUn pain d’côté · bakery · 80 m off route
- 13.2 kmLes Paniers Sappeyards · convenience store · on the route
- 13.2 kmToilets · on the route
- 17.7 kmChalet Jaune Chartreuse · café · 50 m off route
- 17.7 kmDrinking water · on the route
Worth a stop
- 0.1 km — Tour Perret (attraction)
At the start
- artisan boulanger pâtissier · bakery · 250 m
- Décibel · bakery · 160 m
- La pignatella · restaurant · 240 m
- atelier forma · café · 500 m
- L'Art du Vélo · bike shop · 450 m
At the finish
- Chalet Jaune Chartreuse · café · 50 m
- Le Cartusia · restaurant · 30 m
Stay after this ride
- Gîte Pré Vincent · apartment · 3.0 km from the finish
- Studio Champ Rapi · apartment · 3.0 km from the finish
- Auberge du Sappey · hostel · 3.5 km from the finish
- La Virette · campsite · 3.4 km from the finish
- La Jacobine · hostel · 3.6 km from the finish
Practical information
- Paved
- Point to point
- 1 h 16 min
- Apr to Oct — daily highs of 18–29 °C in those months
Know before you go
- 12.1 km on main roads without cycle lanes
- 5.7 km on roads with 80 km/h+ speed limit
- 4.2 km without café, shop or water from 13.5 km