Lac Fourchu - randonnée depuis la Grenonière
Before your visit
The moors, peat bogs and rocky environments of the Taillefer Massif have been awarded the Natura 2000 label. Remarkable for its biological richness, the site is home to 28 "habitats" of community interest, 5 of which are priorities for conservation.
The Taillefer massif: a remarkable, fragile... and protected site!
The Taillefer Natura 2000 site is an exceptional natural area, which nevertheless remains particularly fragile and vulnerable. As a result, specific regulations apply.
Swimming and camping prohibited
Bivouacs are forbidden except in designated bivouac areas, and only from 7pm to 9am.
Beautiful hike through different levels of vegetation leading to the Taillefer plateau and Lac Fourchu, also known as the Plateau des Lacs.
This hike allows you to discover the magnificent Lac Fourchu, one of the must-do hikes in the Taillefer massif. The route passes through different levels of vegetation before opening onto a spectacular alpine landscape, with beautiful panoramic views of the Taillefer plateau and surrounding peaks.
TECHNICAL INFORMATION
Start: Car park at the entrance to the village of La Grenonière
Ascent: 731 m
Duration: 3h50 (round trip)
Distance: 9 km
Level : Medium
MAP AND TOPO :
IGN map: TOP 25 n°333 EST OT - La Mure, Lacs de Laffrey
OBP map: n°1 (Oisans au Bout des Pieds): trail 640
ITINERARY:
From the La Grenonière parking lot, the trail begins with a gentle climb through a forest of deciduous and coniferous trees, offering lovely views towards the Romanche valley. The path continues as it gradually rises in altitude, crossing alpine meadows where the mountain flora is rich and varied.
After reaching the Taillefer plateau, the route reveals a vast area dotted with lakes and ponds, including Lac Fourchu, surrounded by meadows and rock formations. The rugged beauty of the plateau and the breathtaking views of the surrounding ridges make it the perfect place for a break or picnic. The return route follows the same path, allowing you to appreciate the diversity of the landscape once again.
WHAT TO SEE ALONG THE WAY :
Marmots can sometimes be seen, as they are particularly fond of this spot in summer.
- Taillefer Refuge
- Viewpoint over Oisans
Route details
Pets welcome
Parking nearby
Opening
From 15/06 to 15/10.
Subject to favorable snow and weather conditions.
More details
Not accessible in a wheelchair
Informations to download
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Latitude : 45.051864
Longitude : 5.974978
Height : 1250
38520 Ornon
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Information updated on 11/03/2026
by Oisans Tourisme