Start going up Dibble Road towards Phoenix Lake. Veer right at Phoenix Lake (Dam) and continue along Diblee Fire Road. At fork, climb Fish Grade Trail. Right at Southern Marin Line Road (Paved). Veer left on Shady Oaks Road (Paved) and continue towards picnic area. Cross wooden bridge over creek, then turn right on Shady Side Trail. At Bon Tempe Dam, continue down Kent Fire Road towards Alpine Lake. Continue on Kent Trail. Right on Helen Markt Trail. Left on Cataract Trail. Cross Laurel Dell Fire Road. Continue on Cataract Trail. Left on Mickey O'Brien. Left on Simmonds Trail. Right on Laurel Dell. Left on Rock Springs Fire Road. Right on Northside Trail. Left on Eldridge Grade and descend to Phoenix Lake. Right on Shaver Grade and return to parking area.