- This event has passed.
East Contra Costa County CANCELLED
May 9, 2020 @ 6:15 am - 5:00 pm
In light of the Stay-at-Home Order instituted for the State of California, Mt. Diablo Audubon Society has canceled all field trips through May 31. If the timing of this order changes, we will reassess the situation and send another message. Please check our website and our Facebook page for updates.