Outdoor activities

in Diablo, CA

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

Hiking

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

Lake Chabot Loop Hike (9 miles, Moderate+) Dogs Allowed

Lake Chabot Loop Hike (9 miles, Moderate+) Dogs Allowed

Sat, May 16 · 9:30 AM PDT

by Bay Area - Hike On!

Castle Park, Big Trees, Sinawik Loop Joaquin Miller (6 1/2 miles, Moderate)

Castle Park, Big Trees, Sinawik Loop Joaquin Miller (6 1/2 miles, Moderate)

Sun, May 17 · 10:00 AM PDT

by Bay Area - Hike On!

Grand Loop of Redwood RP / 3,100' EG & 13 miles / Dogs ok

Grand Loop of Redwood RP / 3,100' EG & 13 miles / Dogs ok

Sat, May 16 · 8:30 AM PDT

by US Hiking - Bay Area

Walking

🌅 Marina Sunset Pack Walk 🐕‍🦺

🌅 Marina Sunset Pack Walk 🐕‍🦺

Fri, May 22 · 6:30 PM PDT

by Bay Area Roaming K9s (BARK)

Walking Buddies for Women

Walking Buddies for Women

Tue, May 19 · 9:30 AM PDT

by Walking Buddies for Women

Farewell Hike - China Wall / Little Yosemite Loop

Farewell Hike - China Wall / Little Yosemite Loop

Sat, May 30 · 9:00 AM PDT

by Hiking With Friends (WCFC)

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

Running

Heather Farm Park Run

Heather Farm Park Run

Sat, May 16 · 8:00 AM PDT

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

Tuesday Night Run

Tuesday Night Run

Tue, May 19 · 6:30 PM PDT

by Fleet Feet Pleasanton Run Crew

Missouri Lounge Berkeley Aquatic Park Run

Missouri Lounge Berkeley Aquatic Park Run

Tue, May 26 · 6:30 PM PDT

by Oakland Beer Runners

Fleet Feet Walk Crew

Fleet Feet Walk Crew

Tue, May 19 · 8:00 AM PDT

by Fleet Feet Pleasanton Run Crew

Cycling

Pedaler Ride - May 28, 2026

Pedaler Ride - May 28, 2026

Thu, May 28 · 9:00 AM PDT

by Pleasanton Pedalers

TUESDAY TRAINER 9:00 AM

TUESDAY TRAINER 9:00 AM

Tue, May 19 · 9:00 AM PDT

by Pleasanton Pedalers

A different type of brew, a coffee shop

A different type of brew, a coffee shop

Sun, May 31 · 10:30 AM PDT

by Bike 'n Brew

Beginner’s Bike Ride on the Lafayette-Moraga Regional Trail – Easy! 🚲 🌳

Beginner’s Bike Ride on the Lafayette-Moraga Regional Trail – Easy! 🚲 🌳

Sat, May 23 · 1:00 PM PDT

by Walnut Creek - Hiking, Biking, Happy Hour

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