Extremely Chonky and considered a Double Black Diamond course , it's called Rock Gardens for a reason. Pay attention to the map for the turns. Not a very crowded trail that used much. You make a right at the T towards Encinitas fire Station Six.
Start Point
Before the Tunnel by S Rancho Santa Fe Rd at entrance to Mahr Reservoir.
End Point
At the end of the loop east fo San Marcis Canyon Viewpoint
Directions from Parking to Trail
S Rancho Santa Fe Rd at entrance to Mahr Reservoir.