East of Buena Vista, the Fourmile recreation area has a great ATV route with stunning views of the Sawatch Range and the Collegiate Peaks.
To reach the trailhead from Buena Vista, head south on US24 for 2 miles into Johnson Village. Turn left heading east on US24/285 for 6 miles. Turn left heading north on FS315 up Shields Gulch for 3 miles to the intersection with FS376a. Veer right and there is primative, unsigned parking and camping available.
From the trailhead, the best route heads northwest along FS276.
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 limited to designated roads that are signed as open or marked on the forest recreation map. To be safe (and legal), contact the Forest Service HQ to obtain a map at (719) 553-1400.
Overall, Fourmile is the 7th most popular ATV riding trail of all 90 ATV trails in Colorado.