Park on the left 0.1 miles south of the park entrance.
Nowhere else in the park will you find any rock other than
(It's the trick to ripping telephone books in half!) (1)Miguelito Shale 6 mya - marine shale (2)Edna Sandstone 8 mya - marine sandstone with fossils (3)Obispo Tuff 16 mya - volcanic ash (4)Rincon Shale 24 mya - marine shale (5)Vaqueros Sandstone 30 mya - beach sandstone with fossils (6)Franciscan 30-160 mya - melange with basalt and serpentine One could continue and loop out thru Islay Creek. |
Anticline Hike |
Geological Map |
Syncline Map |