9:00 am - 2:00 pm Park Champions Volunteer Workday September 5, 2018 @ 9:00 am - 2:00 pm Park Champions Volunteer Workday Come volunteer and help California State Parks Foundation clean and make repairs to the picnic area at Henry Cowell Redwoods State Park. Please register online (external link) to ensure we bring enough tools and lunches and for parking instructions. Free