West of South Lake Tahoe in the Eldorado National Forest, the 20 mile route to Barrett Lake is open to ATV riding. This is a very challenging route with large rock obstacles and giant boulders.
To reach the trailhead from the intersection of SR 89 and US 50 in South Lake Tahoe, go south-west on SR 50 for 22 miles. Turn right on Wrights Lake Rd. and go 7.2 miles to Wrights Lake. Stay left and go past Dark Lake. The road ends in a turnaround with parking spots. There is a gate where the trail starts.
Note: As of September 2007, ATV riding is permited on designated Forest Service roads only and the ATV must have a valid California Green ATV sticker. For a map of designated open roads, contact the Eldorado National Forest HQ at (530) 622-5061.
Overall, Barrett Lake is the 32nd most popular ATV riding trail of all 106 ATV trails in California.