Mammoth March Burr Oak 2025 Calendar. After a sold out first edition in 2024, mammothmarch will be back at silver falls state park on march 22, 2025! On august 5, 2023, we take you on a shaded lakeview trip to explore everything burr oak has to offer!
Everything you need to know about our hiking challenge But you can now register for our second day (sunday) right here: