San Diego Trails
San Diego: Black's Beach to Torrey Pines State Reserve
A steep, 330-foot cliff descent begins a 5-mile out-and-back along one of SoCal's last undeveloped coasts--which happens to include a famous nude beach.
San Diego: Santa Margarita River Trail
This 5.7-mile loop visits SoCal's last wild river in Santa Margarita Canyon, a refuge hosting numerous species of endangered birds and plants.