Free days & verified discounts in Mill Valley, California
Every perk below was verified on an official source — free days, library passes and EBT/SNAP admission programs. If a venue has no verified perk, it is not listed here.
California State Library Parks Pass — free vehicle day-use entry — Mount Tamalpais State ParkBorrow a free vehicle day-use pass with a library card at participating public libraries for 200+ participating state parks. Confirm Mount Tamalpais State Park is a participating park on the official parks.ca.gov pass list before travelling.
Source: https://www.parks.ca.gov/NewsRelease/1558
Free Fourth Grade Pass (formerly California State Park Adventure Pass) — Mount Tamalpais State ParkCalifornia fourth graders and their families: unlimited free visits to 54 participating state parks for up to 13 months; download at ReserveCalifornia.com. Confirm this park's participation on parks.ca.gov/4thGrade.
Source: https://www.parks.ca.gov/NewsRelease/1558
Plan a free day — open the plannerVenue details last verified November 5, 2026 against official sources. Hours and prices change — check the official site before you go. FamilyDay AI is a free planning tool for parents; we list only facts we have verified, and we never invent ratings or reviews.