North of Newhall in the Angeles National Forest, the 10000 acre Rowher Flat OHV area has 60 miles of rolling trails open to ATV riding.
To reach the trailhead, take the Antelope Valley Freeway (SR14) and exit at Sand Canyon. Go north on Sand Canyon to Sierra Highway and turn right. Take Sierra Highway approximately five miles to Rush Canyon access Road. Look for the Rowher Flat sign on the left-hand side of the road.
Rowher Flat is open to motorcycles, ATVs and 4-wheel drive vehicles. No stopping, unloading or OHV riding is permitted on the Rush Canyon access road. Restrooms are available. Spark arresters, mufflers (4WDs) and a valid registration are required for all vehicles.
Note: As of September 2007, no ATV riding is permited on Forest Service roads.
Overall, Rowher Flat OHV Area is the 9th most popular ATV riding trail of all 106 ATV trails in California.