Trailhead
Phoenix Lake Park
Note: Parking area is small and can fill up quickly, but a spot usually opens up within ten minutes.
Maps:
Trails
Start going up Diblee Road towards Phoenix Lake. Left at Phoenix Lake and continue along Diblee Fire Road. Continue on Fire Road. Continue (Slight Left) on Bill Williams Trail at the end of Phoenix Lake. Right on Tucker Trail. Left on Eldridge Grade Trail. Veer Right on Northside Trail. At junction, continue on Lower Northside Trail. Right on Rock Springs/Laguanitas Fire Road. Once you arrive at the Bon Tempe Picnic Area continue running on Sky Oaks Road for about 200 yards. Right and descend Southern Marin Line Road (through gate). Left on Fish Grade Trail. Continue to parking area via Shaver Grade & Diblee Road.
Route
Map of the route “PH 10.8M”: 10.92 mi, 3,688 ft of climbing and 3,684 ft of descent, elevation between 144 ft and 2,014 ft, time 01:04:41. It is a loop that starts and ends at 37.95797, -122.57246 (latitude, longitude).
Total climbing: 3688 ft