Parks, trails and the outdoors
Lakes, ridgelines and a mountain with a view. These parks are run by public agencies, so check each page for fees, hours and any closures.
Last checked October 19, 2026. Each place links to its official page; hours, fees and closures change, so confirm there.
Places to start
Livermore
Del Valle Regional Park (East Bay Regional Park District) ↗A five-mile-long lake with boating and fishing, plus hiking and picnicking. The park lists a parking fee; check the page for current water-quality notices and any lake advisories before you go.
San Ramon
Las Trampas Wilderness Regional Preserve (East Bay Regional Park District) ↗6,050 acres of wilderness for hiking and horseback riding. The park says water may be unavailable, so bring your own.
Contra Costa
Mount Diablo State Park (California State Parks) ↗Summit views that State Parks says can reach over 100 miles, plus hiking and rock formations such as the wind caves. A day-use fee applies; dogs are not allowed on trails.
Coming up
Wine Day Monday – Special Pricing on wine by the glass, bottle and flights
When: Mon, Oct 19 · 12:00 PM
· Livermore, Tri-Valley
Little Learners Storytime
When: Tue, Oct 20 · 10:30 AM
Centerville Library · Fremont, Alameda County
Paints, Pots & Pints at Headlands Brewing in Berkeley
When: Tue, Oct 20 · 5:00 PM
· Berkeley, East Bay
Bikes Burgers Brews
When: Tue, Oct 20 · 5:45 PM
El Cerrito Del Norte BART · El Cerrito, West County
Sound Bath (10/20)
When: Tue, Oct 20 · 6:00 PM
The Ruth Bancroft Garden · Walnut Creek, Central Contra Costa
Oakland 20th Street Protected Bikeway Ribbon Cutting Celebration
When: Wed, Oct 21 · 1:30 PM
California Bank & Trust · Oakland, East Bay
Sunset Yoga
When: Wed, Oct 21 · 5:30 PM
· Berkeley, East Bay
Wayward in Hayward – Monthly Social Ride
When: Wed, Oct 21 · 6:30 PM
Hayward City Hall Plaza · Hayward, Alameda County
Story Time (10/22)
When: Thu, Oct 22 · 9:30 AM
· Berkeley, East Bay
Story Stroll @ Tilden Nature Area Environmental Education Center
When: Thu, Oct 22 · 11:00 AM
Tilden Nature Area Environmental Education Center, 1500 Central Park Drive, Berkeley, CA 94708, Description:, Join East Bay Regional Parks Naturalists and Richmond Librarians for a wee hike, storytime and fun nature activities at one of our wonderful local regional parks. This Story Stroll will take place at the Tilden Nature Area Environmental Education Center located in Tilden Park. · Berkeley, East Bay
Concord Thursday Night Rides
When: Thu, Oct 22 · 5:45 PM
Pleasant Hill BART Station · Pleasant Hill, Central Contra Costa
Flannel & Foliage: An Autumn Weekend in Danville
When: Fri, Oct 23
Hartz & Prospect Avenues, Danville, CA 94526 · Danville, Tri-Valley
More ideas: Danville · Livermore · Pleasanton · With kids · Rainy day · Free
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