Mary Mountain-Nez Perce Trail

Yellowstone National Park

strenuous

Length: 20.12 mi

Est. time: 7h 24m

Gain: 1,486 ft

Loss: 1,012 ft

Max elev: 8,290 ft

Point-to-pointTrail class 1Earthhike

Elevation profile

+1,486 ft gain · −1,012 ft loss — an estimate from a DEM.

Trailhead & logistics

Trailhead parking (Place)

Madison Information Station and Trailside Museum (VisitorCenter)

Build a loop

Connects to:

Mary Lake Cabin Trail

Connect the dots

Learn:

A Bear's Menu Atomic Elements and Archeology: Tracing Ancient Resource Access and Trade Routes Using XRF Dueling Mandates: Preservation and Use of National Parks Hard Core Rock How Geysers Erupt Imaginary Yellowstone Road Trip

Journeys:

Thomas Moran Horace M. Albright Philetus W. Norris William Henry Jackson Ferdinand Hayden

Plan smart, verify on site

Length, elevation, and difficulty are estimates derived from open data (NPS Public Trails GIS, high confidence) — not a safety guarantee. Conditions change; check current closures, weather, and water, and carry the essentials. Always defer to NPS.gov and park rangers.

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