William O’Brien Park has numerous events, programs and instructional classes through out the year.  Each item is listed in chronological order, but take notice, some events occur in multiple months and days.  The item is listed in order by the first occurrence.  



We will endeavor to be as accurate as possible, and will make changes as the need arise. 



Please Mark Your Calendar!!


  For the latest and up to date schedule of events and programs, please see the

William O’Brien Park, State home page:

Text Box: Key to abbreviations:
F - Fee     R -  Registration
Text Box: Contacts:
Naturalist: 651-433-0500 ext 227
Park office: 651-433-0500