West of Carbondale in the White River National Forest, the Four Mile Road (FS300) is a 19 mile route open to ATV riding. The road passes through aspen and conifer groves and meadows.
Directions from Glenwood Springs: From Glenwood Springs follow the signs to Sunlight Ski Area. Before reaching the ski area turn right on to the gravel road which is FDR #300.
Note: Colorado residents must register their off-highway vehicle with the Colorado State Parks (303) 866-3437. Out-of-state residents who bring OHVs into Colorado must purchase a Colorado Non-Resident OHV permit which is valid from the date of purchase through the following March 31. These permits can be purchased anywhere you get your hunting/fishing licenses in 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.
Note: As of September 2007, ATV riding on Forest Service roads is permitted only on designated routes. To obtain a map with the latest designated roads, make sure to call the Forest Service HQ at (970) 945-2521.
Overall, Four Mile Road is the 36th most popular ATV riding trail of all 90 ATV trails in Colorado.