This ambitious 5.6-miler climbs more than 3,000 feet through mountain meadows, past a quiet lake, to a summit with far-away views over the Gallatin Range.

Climb the rocky guardian of the northern Gallatin Range on this 10-mile out-and-back to a skyline full of lofty pinnacles.

Hike up two mountain peaks with eye-popping vistas on this challenging 7.4-mile off-trail route on the park's lesser-traveled east side.

Ride Amtrak to Glacier's back door, then hike this 19.7-miler past glacial lakes and cascades and over two gorgeous passes.

Hike over three mountain passes into glacier-carved basins with crystalline lakes and bird's-eye views on this 17.6-mile loop. Don't forget your camera.

Pass through some of the wildest land in the Lower 48 on this stout 11.3-mile route that offers a wildlife showcase of grizzlies, mountain lions, moose, and wolverines.

This 13.9-mile backcountry getaway features a secluded mountain lake, countless stream crossings, and views across untouched wilderness.

This 7.1-mile dayhike in Lewis and Clark National Forest loops through the Highwood Mountains, skirting several creeks and the broad summit of Windy Mountain.

Cross the Stillwater Plateau to trout-rich ponds at the foot of Montana's second highest peak.

Trace Specimen Creek to two backcountry lakes and tour remote mountain landscapes on this solitary, 22.5-mile trek in Yellowstone National Park.