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

Redwood Trail Hike from Moraga (8 Miles, Moderate+) No dogs

Redwood Trail Hike from Moraga (8 Miles, Moderate+) No dogs

Sun, May 10 · 10:00 AM PDT

by Bay Area - Hike On!

Skyline, Brandon, Two Rocks, Columbine, and Cascade Loop: 6.5 Mile loop

Skyline, Brandon, Two Rocks, Columbine, and Cascade Loop: 6.5 Mile loop

Sat, May 16 · 1:00 PM PDT

by The East Bay Hiking Club for Millenials

Hike to Wildcat Peak,

Hike to Wildcat Peak,

Sat, Jun 6 · 9:30 AM PDT

by East Bay Hikers

Hilly 5 mile hike in Danville 🌳🥾

Hilly 5 mile hike in Danville 🌳🥾

Sat, May 23 · 10:30 AM PDT

by 30s-40s Make New Friends - East Bay

Walking

🌅 Marina Sunset Pack Walk 🐕‍🦺

🌅 Marina Sunset Pack Walk 🐕‍🦺

Fri, May 15 · 6:00 PM PDT

by Bay Area Roaming K9s (BARK)

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

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

Sat, May 16 · 11:00 AM PDT

by Albany Area Walkers

Urban hike: Iron Horse Trail, Danville and optional Olive oil tasting

Urban hike: Iron Horse Trail, Danville and optional Olive oil tasting

Mon, May 11 · 10:00 AM PDT

by The Sweeps Hiking Group

Stream, Fern and French Trails in Redwood Regional Park Hike (3.6 miles)

Stream, Fern and French Trails in Redwood Regional Park Hike (3.6 miles)

Fri, May 15 · 10:00 AM PDT

by The Sweeps Hiking Group

Running

Thursday fun run

Thursday fun run

Thu, May 14 · 6:30 PM PDT

by Marina Bay loosely organized run group

Heather Farm Park Run

Heather Farm Park Run

Sat, May 16 · 8:00 AM PDT

by East Bay Runners (Walnut Creek, Pleasant Hill, Concord)

Sante Adairius Oakland Arbor Lake Merritt Run

Sante Adairius Oakland Arbor Lake Merritt Run

Tue, May 12 · 6:30 PM PDT

by Oakland Beer Runners

Tuesday Night Run

Tuesday Night Run

Tue, May 12 · 6:30 PM PDT

by Fleet Feet Pleasanton Run Crew

Cycling

Fix Your Bike Day Proclamation

Fix Your Bike Day Proclamation

Thu, May 14 · 7:00 PM PDT

by Bike Fremont

TUESDAY TRAINER 9:00 AM

TUESDAY TRAINER 9:00 AM

Tue, May 12 · 9:00 AM PDT

by Pleasanton Pedalers

Unicycle Club Practice at Circus Center

Unicycle Club Practice at Circus Center

Sun, May 24 · 5:00 PM PDT

by San Francisco Unicycle Club

Pedaler Ride - May 21, 2026

Pedaler Ride - May 21, 2026

Thu, May 21 · 9:00 AM PDT

by Pleasanton Pedalers

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