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Outdoor activities

in Castro Valley, CA

Discover outdoor activities in Castro Valley with Meetup. Whatever your interest, Meetup helps you connect with like-minded people.

Hiking

Bowling party in Pacheco

Sun, Jan 11, 2026 · 18:30 PST

Bowling party in Pacheco

by Walnut Creek - Hiking, Biking, Happy Hour

Weekly Hikes at Reinhardt Redwood Regional Park

Sat, Dec 20 · 14:00 PST

Weekly Hikes at Reinhardt Redwood Regional Park

by Weekly Hikes at Redwood Regional Park and more

DOWNTOWN S.F. WALK TO FREE MUSEUMS & GALLERIES

Sat, Dec 20 · 10:45 PST

DOWNTOWN S.F. WALK TO FREE MUSEUMS & GALLERIES

by Walking in San Francisco for Health and History

Lafayette Reservoir Fast-Challenging hike!: part upper rim, part lower

Mon, Dec 15 · 16:30 PST

Lafayette Reservoir Fast-Challenging hike!: part upper rim, part lower

by Walnut Creek - Hiking, Biking, Happy Hour

Walking

Audiobook + Walking SF's 49 Mile Scenic Drive (a few miles at a time)

Sun, Jan 11, 2026 · 10:00 PST

Audiobook + Walking SF's 49 Mile Scenic Drive (a few miles at a time)

by From The Mixed Up Walks- Audiobook Walks Explore SF

Brisk Walk & Shop--SW corner Ordway & Marin, Albany, 11a

Sat, Dec 20 · 11:00 PST

Brisk Walk & Shop--SW corner Ordway & Marin, Albany, 11a

by Albany Area Walkers

Christmas Tree Lane stroll with La Penca Azul Taco Bar

Fri, Dec 19 · 17:30 PST

Christmas Tree Lane stroll with La Penca Azul Taco Bar

by Rainbow Sierrans - A Queer Outdoor Group

Lake Chabot Loop. 6.3 miles + 1000 elevation gain. Dogs welcome.

Wed, Dec 17 · 10:15 PST

Lake Chabot Loop. 6.3 miles + 1000 elevation gain. Dogs welcome.

Running

Berkeley Live Stand-Up Comedy Open Mic Free Every Tuesday 830pm

Tue, Dec 16 · 20:30 PST

Berkeley Live Stand-Up Comedy Open Mic Free Every Tuesday 830pm

by Berkeley Live Stand-Up Comedy Open Mic Free

OBR's Holiday Run and 2-Year Anniversary from the Double Standard

Tue, Dec 16 · 18:30 PST

OBR's Holiday Run and 2-Year Anniversary from the Double Standard

by Oakland Beer Runners

Tuesday Night Run

Tue, Dec 16 · 18:30 PST

Tuesday Night Run

by Fleet Feet Pleasanton Run Crew

Alameda Brewing Company and the Christmas Tree Lane Run

Tue, Dec 23 · 18:30 PST

Alameda Brewing Company and the Christmas Tree Lane Run

by Oakland Beer Runners

Cycling

BARC-San Lorenzo to Bay Farm Island

Sun, Jan 4, 2026 · 10:00 PST

BARC-San Lorenzo to Bay Farm Island

by Bay Area Recumbent Cyclists - BARC

TUESDAY TRAINER 9:30 AM

Tue, Dec 16 · 09:30 PST

TUESDAY TRAINER 9:30 AM

by Pleasanton Pedalers

Bike Fremont & FFBC - Union City BART Headlight Give Away Popup

Wed, Dec 17 · 17:20 PST

Bike Fremont & FFBC - Union City BART Headlight Give Away Popup

by Bike Fremont

Upcycle Social Sew/ Art/Fix it/ Finish it! (In person)

Thu, Dec 18 · 18:30 PST

Upcycle Social Sew/ Art/Fix it/ Finish it! (In person)

by Upcycle Alameda

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