Yellowstone National Park

Yellowstone National Park

Blacktail Deer Creek-Yellowstone River Trail

This trail follows Blacktail Deer Creek as it descends 1,100 feet through rolling, grassy hills and Douglas-fir where it reaches the Yellowstone River. The trail continues across the Yellowstone River on a steel suspension bridge and joins the Yellowstone River Trail. The trail continues downriver, passing Knowles Falls and into arid terrain until it ends in Gardiner, Montana.

Trailhead: Blacktail Trailhead on the Mammoth-Tower Road, seven miles east of Mammoth

Distance: 12.5 miles (21 km) one way

Level of Difficulty: Moderate due to length

Visitor Information
307-344-7381 (recorded information)


Directions from Mammoth: Travel seven miles east to Blacktail Trailhead on the Mammoth-Tower Road.