The GR 37 is a 358 mi trail that starts in Vitré, France and ends in Douarnenez, France. The trail is considered to be medium to hike and has a total elevation gain of 20928 ft. The trail takes around 28 days. Either you are not allowed to bring your dog on the GR 37 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 September, October, and November and the driest months are March, April, and May.
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