Los Osos Creek is a

stream A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream ...

in coastal

San Luis Obispo County San Luis Obispo County (), officially the County of San Luis Obispo, is a county on the Central Coast of California. As of the 2020 census, the population was 282,424. The county seat is San Luis Obispo. Junípero Serra founded the Miss ...

that discharges to

Morro Bay Morro Bay (''Morro'', Spanish for "Hill") is a seaside city in San Luis Obispo County, California. Located on the Central Coast of California, the city population was 10,757 as of the 2020 census, up from 10,234 at the 2010 census. The town ...

. Los Osos Creek rises in the Clark Valley on the slopes of the

Irish Hills Irish Hills is an area of land located roughly in southeastern Jackson County and northwest Lenawee County in Southeast Michigan. It was named after the numerous Irish immigrants who settled there from 1830 until 1850. Today it is known thro ...

. After flowing through Clark Valley, Los Osos Creek flows into

Los Osos Valley The Los Osos Valley is a valley within San Luis Obispo County, in the Central Coast of California region. Geography Los Osos Valley lies between southern San Luis Obispo and Baywood-Los Osos. The town of Los Osos is in the valley. The Irish ...

. In prehistoric times

Chumash Chumash may refer to: *Chumash (Judaism), a Hebrew word for the Pentateuch, used in Judaism *Chumash people, a Native American people of southern California *Chumashan languages, indigenous languages of California See also *Chumash traditional n ...

Native Americans had a significant settlement on a stabilized

sand dune A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, fl ...

near the mouth of Los Osos Creek.C. Michael Hogan, ''Los Osos Back Bay'', Megalithic Portal, editor A. Burnham (2008)
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References

Rivers of San Luis Obispo County, California Morro Bay Rivers of Southern California {{California-river-stub