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Free Online Trail Maps & Trail Work Volunteer Days

What: Free hiking and mountain biking maps and trail maintenance days
When: Year-round
Reservation Required: None required

Volunteers are welcome year round to help build, restore and maintain hiking, biking, and equestrian trails. All work day events and classes are well organized by the Central Coast Concerned Mountain Bikers group, a non-profit organization since 1987 that assists California State Parks, County Parks, and the National Forest Service to expand and maintain networks of sustainable and enjoyable trails. No experience necessary to jump in to help and learn!

Trails in Montaña de Oro State Park, near the towns of Los Osos and Baywood, offer bicyclists, hikers, and equestrians varied terrain with beautiful ocean and canyon views. The park features rugged cliffs, secluded sandy beaches, coastal plains, streams, canyons, and hills, including 1,347-foot Valencia Peak. The best-known beach is beautiful Spooner’s Cove, across from the main campground. The park’s name, Montaña de Oro means “Mountain of Gold,” and comes from the massive amount of golden wildflowers that bloom in spring. Wildlife in the park features the black tailed deer and the black oystercatcher. The annual volunteer trail workday in Montana de Oro State Park is the first Sunday in February. Other dates are also scheduled throughout the year so check the event calendar for details.

Opportunities for volunteering on trail restoration include at least one trail work session per month. Two major workdays are offered each year and are called TRAILWERKS: all-day events with free meals, tee shirts, and raffle prizes for participants.

The Central Coast Concerned Mountain Bikers group encourages everyone who enjoys California trail systems to volunteer for workdays as well as practice important trail etiquette that helps prevent trail erosion, reduces user conflicts, and ensures trail access.  More detailed information, trail guidelines, and volunteer locations available at

For FREE Online Trail Maps Click here! Donations are most welcome and appreciated to purchase trail building tools for all volunteers (if you can’t join a trail workday). Click here to donate today!