Open Space


The Potrero Ridge Open Space encompasses a low-lying ridge that runs east to west in Newbury Park. This area, which totals 205 acres, includes grassy hillsides, coastal sage scrub, and oak woodlands, and is accessed from a trailhead on Wendy Drive. A trailhead on Reino Road provides additional access to this area and to the Dos Vientos Open Space to the west. Most of this area is owned by COSCA.

COSCA is a joint powers agency between the City of Thousand Oaks and Conejo Recreation and Park District

2100 Thousand Oaks Blvd., Thousand Oaks, CA 91362   |   805.449.2345

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