Trapper John Shelter is a free, rustic 3-walled backcountry shelter maintained by the Dartmouth Outing Club in the White Mountain National Forest, accessible via a 1. 1-mile hike from Dorchester Road on the Appalachian Trail.

The shelter accommodates 8 people and offers basic amenities including a composting privy, fire ring, and nearby stream water (which must be treated), operating year-round on a first-come, first-served basis with no reservations required.