Colorado · National Monument trail

Harpers Corner Trail Stop 8

in Colorado

Can you pick out the course of the Yampa River? Its junction with the Green River is hidden by the ridge of Steamboat Rock, and above that, the river is lost in a maze of sandstone. Such a winding course is more typical of a slow, sluggish stream flowing across flat land than of a swift canyon cutting river.

Some geologists have suggested that the Yampa River had already established courses on fairly level land before the region was uplifted. The rivers held course and sliced down through the rocks even as the land rose, forming deep, winding canyons.

States: Colorado
Trail type: National Monument trail
Centroid nearest city: Salt Lake City, UT · 152 mi · ~4 hr drive
Centroid coords: 40.5289°, -109.0121°

About Dinosaur National Monument

National Monument

This trail is inside Dinosaur National Monument, a national monument managed by the U.S. National Park Service. Conditions, road status, trail closures, and reservation requirements are published on the park's NPS page — check it before driving in, especially in winter or during major weather events.

Entrance fee: $25 per vehicle (verify current rate on the park page). An America the Beautiful annual pass ($80) covers entrance to all NPS units.

Official NPS trail page: https://www.nps.gov/places/harpers-corner-trail-stop-8.htm

Park homepage: https://www.nps.gov/dino/index.htm

Plan your hike

Practical notes

Maps + permits: long-distance trails like this often require permits for through-hiking, backcountry camping, or specific sections (especially in National Parks). Check with the maintaining organisation listed above and the relevant land manager before booking travel.

Water + supplies: water sources vary seasonally on most U.S. trails. Carry a filter and consult current trail-condition reports — through-hiker journals (PCT-L, AT Reddit, etc.) and the maintaining organisation publish regular updates.

When to go: hiking seasons vary widely with elevation, latitude, and snowpack. Through-hikers traditionally start the AT in March-April (Springer northbound) and the PCT in late April (Campo northbound). High-elevation western trails (CDT, JMT, Wonderland) generally aren't passable until July.

If you've hiked Harpers Corner Trail Stop 8 and have current notes (water sources, trail closures, permit changes), tell us at /contact — we update pages as we learn.