Northwest of Lake George, the Tarryall OHV Area has numerous dirt roads open to ATV riding.
Note: the following roads are prohibited to unlicensed vehicles: CR39 (aka FS129 or Rock Creek Hills), CR56/CR56.3A (aka FS127 or Lost Park Road), and CR77 (aka Tarryall Road).
To reach the trailhead from Lake George, head northwest on US24 for 1 mile. Turn right heading northwest on CR77 for 20.5 miles.
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 Colorado. 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.