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The Bay Nature events calendar features events sponsored by Bay Area nature organizations from Sonoma to Santa Cruz. Find guided hikes, learn about Bay Area wildlife, enjoy nature festivals, and more! For Bay Nature-sponsored events click here.

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In order to post an event to the Bay Nature Calendar you will need to have an account and be logged in to that account. Creating an account is easy. Just click on Register and fill the registration form with a user name, email address and password. If you already have an account you can login using the fields below.

Please log in first.