The California State Library Parks Pass are free passes that can be used up to 28 days and can be used at over 200 California State Parks. Passes are only good for California State Parks and are not valid at National Parks, municipal parks, etc. The California State Library Park Pass permits one vehicle and its passengers into a state park for day use only. Passes do not provide discounts for camping, programs, or other licenses needed while at the park. Some State Parks are not eligible for this program.
California State Park Passes FAQs:
What is the California State Library Parks Pass and who can use it?
The California State Library Parks Pass program provides a free vehicle day-use entry for one passenger vehicle with capacity of nine people or less, or one highway licensed motorcycle at 200+ participating state parks to library cardholders.