East Boundary Trail

Montana de Oro State Park

Click Here for Geology Notes

Park Campgrounds

Miguelito Shale
near Horse Camp

Anticline Limb
Eucalyptus tree stumps

Edna Sandstone

Obispo Tuff
volcanic 16 mya

Dolomite
in Rincon Shale

Shell Fossil
Vaqueros Sandstone

Basalt
Franciscan volcanic

Serpentine
Franciscan metamorphic

Hike Notes
Rincon shale is awfully muddy in the wet season.
Vernal ponds will have water after a good rainy season.
Ticks are little, flat and spider-like.
Rest a bit at the crossroads bench.
The old Mazanite Trail is still a good one!

Dry vernal pond

Valencia Peak
anticline limb

Anticline axis
Hazard Canyon

  
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May 30, 2004 Geology Notes or California Drives