The canyons of the Green and Yampa rivers are awesome. Echo Park is a beautiful oasis near the confluence of the Yampa and Green. This tour connects with Yampa Bench Rd. Best September to early October. Easy when dry, but impassable when wet even with four-wheel drive.
Storms can occur in summer.
The roads may be closed in winter. Get the park's flyer for Echo Park and Yampa Bench roads. The guide to Harper's Comer Scenic Drive, Journey Through Time, is useful, too. Dinosaur National Monument. Take Harper's Comer Scenic Drive for 25.9 miles to Echo Park Road, on the right.