Union Falls Trail

Yellowstone National Park

moderate

Length: 2.05 mi

Est. time: 48m

Gain: 144 ft

Loss: 345 ft

Max elev: 6,784 ft

Point-to-pointTrail class 1Earthhike

Elevation profile

+144 ft gain · −345 ft loss — an estimate from a DEM.

Trailhead & logistics

Cave Falls Campground (Campground)

Build a loop

stitched loop

9U4 Campsite Spur Trail + Union Falls Trail

2.2 mi · +154 ft · ~0.9 hr (est.)

Connects to:

9U4 Campsite Spur Trail 9C4 Campsite Spur Trail North Fork Trail Mountain Ash Creek 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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