• Camarasus skull in the cliff face, rafters on the Green River, McKee Springs petroglyphs


    National Monument CO,UT

River Trail

Split Mountain from the River Trail
The River Trail provides views of both the Green River and Split Mountain. The trail is a nice hike in the morning or evening.
Dan Johnson
2 miles one way / 4 miles round trip. Not a loop.
Level of Difficulty
Trailhead Location
North end of Green River campground in A Loop, or south end of Split Mountain campground.
Your Safety
Be prepared for desert hiking: Take a hat, sunscreen, and water.
Let someone know where you are going and when you are due back.
Wear comfortable shoes, such as hiking boots or athletic shoes.
Use caution near drop offs and along river banks. Keep close tabs on small children.
Rules and Regulations
Pets are not allowed on this trail.
Carry out all trash.
Collecting artifacts, fossils, plants, or other objects is prohibited.
Do not feed or approach wildlife.
Trail follows the Green River, connecting the Green River and Split Mountain Campgrounds. It provides dramatic views of Split Mountain. Wildlife is frequently seen along the river including mule deer and a variety of birds. The National Geographic Trails Illustrated map of Dinosaur National Monument is available from the park bookstore.

Did You Know?

Photo of paleontologist Earl Douglass.

Paleontologist Earl Douglass first came to Utah looking for mammal fossils. He returned in 1909 and discovered an immense deposit of dinosaur bones, now protected at Dinosaur National Monument. Although made famous by dinosaurs, Douglass died preferring his beloved mammal fossils over dinosaurs.