Explore Map Collection

Check out our basemaps

Print a Map Plus

Generate a high-quality PDF

Discover local flora, fauna, geology, and more

Local Flora & Fauna

Learn the ecology of your area

Learn the geologic formation at your feet

Get Started or Sign In

Welcome

Sign up to start exploring the one-of-a-kind Natural Atlas Topo map

Continue with Apple

Or

Already have an account? Sign In

MAP

Topo

Rock Formations

Measure

Copyright © Natural Atlas | Roads, Buildings © OSM Contributors | Data Sources

Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Union Falls

Waterfall on Mountain Ash Creek in Yellowstone NP, Rocky Mountains near Old Faithful, WY

Generate High-Quality PDF

Waterfall Type

Plunge, Fan

On the Web

On Wikipedia

Union Falls ht. 250 feet (76 m) is a waterfall on Mountain Ash Creek, a tributary of the Fall River in the Cascade Corner (southwest) of Yellowstone National Park. It is the second highest waterfall in Yellowstone exceeded in height only by the lower Yellowstone Falls. The falls got its name from members of the Arnold Hague Geological Surveys sometime between 1884-86. Geologist J.P. Iddings claims…

Read More on Wikipedia

Union Falls in the fall, A. Falgoust (NPS) photographs (2) above.

Taxonomy

Classified As

Waterbody

Mountain Ash Creek