Col du Grand Colombier from Culoz

Culoz, FranceRoad

Routed from the map This classic road was traced on OpenStreetMap and measured against the terrain model; no member has recorded it yet. Ridden it? Add your recording and photos.

17 km
Distance: 1,241 m
Elevation gain: Moderate
Difficulty: Paved
Surface

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Elevation profile

Total ascent: 1,241 m
Distance: 17 km

Route overview

This route suits riders able to handle a sustained 1241 m climb over 17.4 km with steep gradients.

Col du Grand Colombier from Culoz, France, 17.4 km with 1241 m climbing.

This 17.4 km route starts at Culoz at 252 m and climbs steadily to 1493 m at Col du Grand Colombier. The climb is 17.3 km long with an average gradient of 7.2%, including sections up to 14.4% and a steep 500 m section at 21.8% right from the start. The profile is predominantly uphill with 95% climbing, and most climbing occurs in the second half. The road surface is 99% paved with a minor 1% unpaved section. The route uses 16.4 km of the named road D 120, mainly on minor roads (92%), with a brief 5% on quiet streets and 3% on roads with cycle lanes. The route is on fast roads with 15.6 km at 80 km/h or more. Amenities are mainly concentrated near the start and finish. In Culoz, near km 0, there are bakeries, a market, bars, and restaurants. There is drinking water available at 0.1 km and toilets at the start and the top. There is a notable 12.6 km stretch from 2.6 km to 15.2 km without cafés, shops, or water. At the finish, "La Pause du Grand Colombier" fast food is available.

Highlights

Col du Grand Colombier summit at 1493 m
Steepest 500 m segment at 21.8% gradient
Nearby peaks: Pierre Amion 1449 m, Pierre Fillola 1426 m
Long climb from Culoz starting at 252 m

Along the route

Measured from the recorded track and OpenStreetMap.

Climbs

Climb	Starts at	Length	Gain	Average	Max	Top
Roc Passin	0 km	17.3 km	1241 m	7.2 %	14.4 %	1493 m

High point 1493 m at 17.3 km; low point 252 m. Passes beneath Pierre Amion, Pierre Fillola, Grand Colombier.

Roc Passin · starts at 0 km

17.3 km at 7.2% · 1241 m

< 4%4 – 7%7 – 10%> 10%

What this ride is like

Measured from OpenStreetMap along the track and the elevation profile.

Roads: 92% minor road · 5% quiet street · 3% road with cycle lane
Fast roads: 15.6 km on roads with a limit of 80 km/h or more
Main roads used: D 120 (16 km)
Surface: Paved throughout
Gradient: 95% climbing · 1% descending · 5% flat
Steep sections: 12.4 km over 5% · 7.5 km over 8% · 3.2 km over 10% · steepest 500 m averages 21.8% at 0 km

Along the way

Within a few hundred metres of the track, from OpenStreetMap. Opening hours change — treat this as where to look, not a promise.

Food, water and shops

0 kmMarché de Culoz · market · 50 m off route
0 kmToilets · on the route
0.1 kmDrinking water · 150 m off route
0.1 kmPharmacie du Colombier · pharmacy · on the route
0.2 kmBoulangerie Binaud · bakery · on the route
17.3 kmLa Pause du Grand Colombier · fast food · on the route
17.3 kmToilets · on the route

Need to bail out?

0 km — Culoz (station), 550 m off route

Whether bikes are carried depends on the service — check before relying on it.

Worth a stop

0 km — Point de Vue du Banc (viewpoint)

At the start

Les délices de Culoz · bakery · 40 m
Boulangerie Binaud · bakery · 200 m
La Casa della Pizza · restaurant · 40 m
Marché de Culoz · market · 70 m
Le Renger's · bar · 60 m

At the finish

La Pause du Grand Colombier · fast food · 70 m

Practical information

Surface: Paved
Route shape: Point to point
Riding time: 1 h 15 min

Know before you go

12.6 km without café, shop or water from km 2.6 to 15.2
15.6 km on fast roads (80 km/h or more)
Steepest 500 m at 21.8% gradient from start

Routes are for inspiration. Roads, surfaces and conditions change — check locally and ride within your limits.