The Tunnel Brook Loop is a 17 mi looped hiking and cycling trail that starts and ends in Woodstock, New Hampshire. The trail is considered to be difficult to hike and has a total elevation gain of 5284 ft. The trail takes around 2 days. Dogs are welcome on the trail.
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 December, January, and February.
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