The Sarn Helen is a 143 mi trail that starts in Ty'n y Groes, Wales and ends in Carmarthen, Wales. The trail is considered to be medium to hike and has a total elevation gain of 24654 ft. The trail takes around 13 days. Either you are not allowed to bring your dog on the Sarn Helen 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 June, July, and August.
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