Get ready for a steep climb before you get to the upper single tracks.  It isn't a long ride but the switchback climb will give your legs and lung a good workout.

Directions

From Interstate 5 North exit La Costa Avenue.  Go east for 3.6 miles and turn left on Rancho Santa Fe Road.  Turn right on San Elijo Road (1.5 miles).  Turn right on Elfin Forest Road East (1.6 miles).  Look for parking lot on Right (4.4 Miles).

6  Rider Level:  Advanced / Intermediate
7  Technical:  Moderate to Difficult
7  Aerobic: Strenuous
5  Pace:  Moderate
4  Distance: 9 Miles
5  Riding Time: 3 hours