Mammoth Rubbing Rocks

Mammoth Rubbing Rocks, California

Polished Surface of Mammoth Rubbing Rock

Sonoma Coast State Beach Coastline

Pussy Paws Wildflower at Sonoma Coast State Beach

Sonoma Coast State Beach in northern California is famous for its Mammoth Rubbing Rocks.  The rocks were polished smooth by the wooly hair of mammoths over 10,000 years ago.  Mammoths used the rocks as a scratching post, the same way that elephants rub against tree trunks today.  It was incredible to touch the spot that a living mammoth rubbed against so long ago!

About Pam
Richard and Pam lived in the San Francisco Bay Area 14 years (1987-1999 and 2008-2011). They lived in Florida 13 years previously, until returning in July 2011 to present. They hope their photography will encourage you to get out and discover nature's beauty in your own backyard, parks, and wild places. Click on any pictures on this blog to see them full size with additional details.

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