7.6 mi from the trailheadHeadwaters Campground
Campground · Wyoming
Hike
Union Falls Trail
- Ends at Union Falls
- Inside Yellowstone National Park
- 2,039 ft of climbing
15.3 mi out & back · 2,039 ft gain · 7,281 ft high point · Very hard
From Grassy Lake Trailhead via the Mountain Ash Creek Trail (5.6 mi)
In Yellowstone National Park · Wyoming · National Park Service
About this hike
Union Falls Trail goes out and back 15.3 miles from Grassy Lake Trailhead in Yellowstone, climbing 2,039 feet to reach Union Falls waterfall via Mountain Ash Creek Trail.
Elevation
2,039 ft of gain round trip.
Camp near here
The closest places to sleep, measured from the trailhead.
- 7.6 mi from the trailhead
More hikes nearby
Ranked the same way, within twenty-five miles.
