Mount Isolation via Glen Boulder Trail

Mount Isolation via Glen Boulder Trail is an expert-level out-and-back trail located near Mount Washington in the White Mountains, New Hampshire. Spanning 11.2 miles with a significant elevation gain of 5,289 feet, the trail offers a challenging experience for hikers with steep and rugged terrain. The trail starts at a moderate elevation and ascends to a maximum elevation of 1,577 meters (5,174 feet), promising extensive views of the surrounding peaks and valleys. A noteworthy aspect of the trail is the Glen Boulder, a prominent and large glacial erratic perched above the tree line.