The GR 137 is a 32 mi trail that starts in Autun, France and ends in Nolay, France. The trail is considered to be medium to hike and has a total elevation gain of 3015 ft. The trail takes around 3 days. Either you are not allowed to bring your dog on the GR 137 or it is generally not advised.
The warmest months are June, July, and August and the coldest months are December, January, and February. The wettest months are March, April, and May and the driest months are June, July, and August.
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