In the Ouray Ranger District, the Uncompahgre Plateau Trail is a 90 mile route passing near Delta. While not a particularly difficult route, there is an extensive network of side trails to explore.
To reach the dirt biking at the northern trailhead from the intersection of US 50 and I-70 in Grand Junction, go south on US 50 for 9.2 miles. Turn right (southwest) on SR 141 and travel 14.3 miles. Take a left onto Divide Road (25 1/10 Road). This is the start of the route.
Note: Colorado residents must register their off-highway vehicle with the Colorado State Parks (303) 866-3437. Non-residents are not required to register in Colorado, if they are registered in their home states. All off-highway vehicles must have an approved muffler and spark arrester. These requirements are subject to change so make sure to contact the Colorado State Parks prior to using your off-highway vehicle.
Overall, Uncompahgre Plateau Trail is the 46th most popular dirt bike trail of all 93 dirt biking rides in Colorado.