No current closures.
For public safety purposes and to prevent trail damage, COSCA trails may be closed during certain conditions.
Please see our Facebook page for the most current info.
COSCA trails are closed during most rain events and will remain closed until mud is no longer present.
The City of Thousand Oaks is making improvements at its La Granada Reservoir off Mountain Crest Circle adjacent to the Hillcrest Open Space area. During construction, portions of the Ray’s Way, La Granada, and Dapple Gray Trails will be intermittently closed.
The intermittent closures are anticipated to start July 18 and may occur for approximately one (1) year. Signage will be placed on the affected trail sections to advise users of these closures. Notice of closures will be posted onsite and on our website 48-hours in advance.
Current Status: As of Wednesday, July 22, trails will be closed until further notice.
More information about the City’s project can be accessed at: https://www.toaks.org/departments/public-works/construction/la-granada-pump-station.
Red Flag Warnings
COSCA trails may also be closed during "Red Flag" fire weather. The National Weather Service issues Red Flag warnings when the potential for fire becomes high in Southern California. Fire potential increases when the following conditions occur:
During Red Flag conditions please be aware of your surroundings and keep an eye out for smoke. If you see smoke, please report it! Also, always let someone know your whereabouts, and be prepared to evacuate quickly.
During Red Flag Warnings please adhere to the following guidelines:
Although we always want people to enjoy Conejo Open Space it may also become necessary to close the Open Space if any of the following additional conditions exist: