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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

Wolf supermoon - January full moon sunset hike/walk/arcade (weather dependent)

Wolf supermoon - January full moon sunset hike/walk/arcade (weather dependent)

by Bay Area Active & Social - 20s & 30s
Rocky Ridge View Trail at Las Trampas 6-miles, Moderate+) Dogs OK

Rocky Ridge View Trail at Las Trampas 6-miles, Moderate+) Dogs OK

by Bay Area - Hike On!
Pleasanton Ridge Foothills to Blue Oak Knoll (7 1/2 miles, Moderate+) Dogs OK

Pleasanton Ridge Foothills to Blue Oak Knoll (7 1/2 miles, Moderate+) Dogs OK

by Bay Area - Hike On!
Mt. Whitney Training: First of 2026! Mission Peak 2x-3x: 15-22 mi, 4400-6600 ft

Mt. Whitney Training: First of 2026! Mission Peak 2x-3x: 15-22 mi, 4400-6600 ft

by South Bay Hiking Meetup

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