The GR 50 is a 373 km looped trail that starts and ends in Le Bourg-d'Oisans, France. The trail is considered to be difficult to hike and has a total elevation gain of 17942m. Normally the trail takes 1 days to complete but can be finished in as little as 1 day.
The warmest months are June, July, and August and the coldest months are December, January, and February. The wettest months are September, October, and November and the driest months are June, July, and August.