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

Into the Wild: Las Trampas Ridge, 4.8 miles, 1,129 ft, 60% shaded, dog ok

Into the Wild: Las Trampas Ridge, 4.8 miles, 1,129 ft, 60% shaded, dog ok

Sun, Oct 18 · 9:30 AM PDT

by Casual Hikers of the East Bay

Mount Diablo and North Peak 7.7 Miles Moderate Plus Hike

Mount Diablo and North Peak 7.7 Miles Moderate Plus Hike

Sat, Oct 24 · 1:00 PM PDT

by Sleep Late and Hike

Diablo's Secret Trail from Emmons Canyon (6 Miles, Moderate+) No Dogs

Diablo's Secret Trail from Emmons Canyon (6 Miles, Moderate+) No Dogs

Tue, Oct 13 · 10:30 AM PDT

by Bay Area - Hike On!

San Francisco Waterfront Hike 10-17-2026

San Francisco Waterfront Hike 10-17-2026

Sat, Oct 17 · 10:30 AM PDT

by San Francisco Bay Area Outings

Walking

Lake Elizabeth Walk

Lake Elizabeth Walk

Sat, Oct 24 · 11:00 AM PDT

by Neurosisters 🧠🩵

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

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

Sat, Oct 17 · 11:00 AM PDT

by Albany Area Walkers

No Hurry, No Worry Weekly Wednesday Hikes at Redwood Regional Park 4:30 pm

No Hurry, No Worry Weekly Wednesday Hikes at Redwood Regional Park 4:30 pm

Wed, Oct 14 · 4:30 PM PDT

by Weekly Hikes at Redwood Regional Park and more

Joaquin Miller mostly shaded hike. 5.8 + 900. Dogs welcome.

Joaquin Miller mostly shaded hike. 5.8 + 900. Dogs welcome.

Wed, Oct 14 · 10:00 AM PDT

Running

Corporate Girls Who Brunch @ The Wooden Spoon

Corporate Girls Who Brunch @ The Wooden Spoon

Sun, Oct 18 · 11:00 AM PDT

by Corporate Girls Who Brunch

Heather Farm Park Run

Heather Farm Park Run

Sat, Oct 17 · 8:00 AM PDT

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

The Rake's Last Call and Alameda Point Run

The Rake's Last Call and Alameda Point Run

Sat, Oct 17 · 11:30 AM PDT

by Oakland Beer Runners

Tuesday Night Run

Tuesday Night Run

Tue, Oct 13 · 6:30 PM PDT

by Fleet Feet Pleasanton Run Crew

Cycling

HAYWARD: Carlson Fest ride with options & social

HAYWARD: Carlson Fest ride with options & social

Sat, Oct 17 · 9:30 AM PDT

TUESDAY TRAINER 9:00 AM

TUESDAY TRAINER 9:00 AM

Tue, Oct 13 · 9:00 AM PDT

by Pleasanton Pedalers

Unicycle Club Practice at Circus Center

Unicycle Club Practice at Circus Center

Sun, Nov 1 · 5:00 PM PST

by San Francisco Unicycle Club

"Lions & Tigers...Oh my!"

"Lions & Tigers...Oh my!"

Thu, Oct 15 · 8:45 AM PDT

by Pleasanton Pedalers

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