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- Apr 18, 2026 from 10:00am to 4:00pm PDT
- Location: John Muir National Historic Site, Martinez
- Latest Activity: Feb 18
Celebrating John Muir’s 188th birthday, the 56th Anniversary of Earth Day and the National Park Service Centennial, plus the 71st Anniversary of the John Muir Association
Live music, historic re-enactments, dozens of exhibitors.
Admission and parking are FREE!
For more information:
(925) 228-8860
John Muir Association Page
National Historic Site information
