A stream flows through moss. Mount Rainier National Park, Washington, USA.

A stream flows through moss. Burroughs Mountain Trail, Mount Rainier National Park, Washington, USA. For vigorous training, hike a scenic 10 mile loop with 3200 feet ascent, from White River Campground up Glacier Basin Trail, to Second and First Burroughs, then back via Shadow Lake. Through mid July, be cautious of steep snow below Second Burroughs.