West of Alamosa in the Rio Grande National Forest, the Lake Fork Trail (#716) is a 6 mile route open to ATV riding. The route starts at Lake Fork Ranch and follows Lake Fork Creek to Big Lake. Past Big Lake, the trail climbs steeply over a saddle and descends steeply into the town of Platoro.
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 is only permitted on Forest Service roads that area marked as open to ATVs.
Overall, Lake Fork Trail is the 30th most popular ATV riding trail of all 90 ATV trails in Colorado.