From the intersection of Los Feliz Blvd and Fern Dell Dr the run is 5.7 miles, 1200 feet of gain. There is an obvious paved path at the intersection. One can park along Fern Dell Dr. 50 Trail Runs in Southern California recommends driving into Griffith Park and using the parking lot. The round-trip distance from the parking lot is 5.3 miles.
The run is an out-and-back with variations. Most of the way is on a wide dirt path. There are restrooms and water fountains where the trail pulls away from Fern Dell Dr and again at the Griffith Observatory.
The trail summits Mt Hollywood and offers a good view of Mt Lee and the Hollywood Sign. It is usually crowded.