The Best Volunteering in California

Looking for the best volunteering in California? We've got you covered with the top trails, trips, hiking, backpacking, camping and more around California. The detailed guides, photos, and reviews are all submitted by the Outbound community.

Top volunteering spots in and near California

  • Vallejo, California

    Camp at Mare Island Shoreline Heritage Preserve

    1 mi / 20 ft gain
    This old Naval Base is now home to, well, almost nothing. As a weekend volunteer trip, myself and about 50 others got a little dirty creating 3 new campsites for you and your friends!During the day, the island has hikers exploring everywhere, but the preserve closes upon sunset and it's just you ...
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