The Conejo Open Space Foundation was formed in 1995 to promote and maintain the open space and trail system of the Conejo Valley and to educate residents as to their roles as custodians and protectors of the open space and the environment. COSF is a non-profit organization that is supported by donations.

The COSF website has detailed information about Conejo Valley trails, maps and educational information.

A particularly useful section of the site details a number of local trails in Wildwood Park, Los Robles, Lang Ranch/Woodridge, Dos Vientos and other local trail systems.

Visit www.cosf.org to learn more.