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Glacier National Park: Loneman Mountain

Climb to a lonely lookout on Loneman Mountain on this 15.6-mile out-and-back that reveals quiet views across Glacier National Park.

Rating

This lonely mountaintop offers lesser-seen views across Glacier National Park. To reach the trailhead, leave the parking area and head southeast along the railroad tracks. After 1,000 feet, turn left and hike north 0.2 mile to ford the Middle Fork Flathead River (use caution: there’s no bridge); the Nyack Trailhead is located on the north bank of the river.
From the trailhead, hike east toward the site of the Nyack Ranger Station, then head north on South Boundary Trail. After 1.5 miles, the route crosses Nyack Creek (caution: no bridge), then turns left onto South Boundary Trail. As the trail starts to climb above the river, Loneman Mountain rises directly to the northeast. At mile 2, bear right onto Loneman Lookout Trail for a steep climb to the northwest. One mile later, the trail bends to the northeast and ascends a broad ridgeline—look down to spot Halfmoon Lake tucked in the small cirque below.
The last four miles of the climb feature zigzagging switchbacks and a long traverse that leads to Loneman’s 7,181-foot summit (home to an unmanned fire lookout). Savor the quiet views across the Nyack Creek valley before turning around and retracing your route back to the trailhead.
PERMIT: Overnight camping in Glacier National Park requires a backcountry permit. Check out the latest fees and more details at nps.gov/glac/planyourvisit/backcountry.htm.
MORE PARK INFO: Glacier National Park, (406) 888-7800; nps.gov/glac/.
-GPS data provided by the National Park Service

To Trailhead

From Going To the Sun Rd. and US 2 in West Glacier, MT, head northeast on US 2. In 11 miles, turn left for parking on an unmarked gravel road.

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