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Events inCastro Valley, California

Find events in Castro Valley to connect with people who share your interests. Whatever your interest, Meetup helps you connect with like-minded people.

Events in Castro Valley

Browse the most popular activities in Castro Valley

[OAKLAND, CA] - 2025-07-11 - Pacific Hackers PRE-DEFCON CTF & BBQ - Part 1

Hosted by:聽Pacific Hackers Meetup

15 going
Free
[OAKLAND, CA] - 2025-07-11 - Pacific Hackers PRE-DEFCON CTF & BBQ - Part 1

Star Gazing @ Big Sur

Hosted by:聽East Bay Millennials and Gen Z Meetup Group

20 going
Free
Star Gazing @ Big Sur

Hike Reinhardt Redwood Regional Park

Hosted by:聽East Bay Hikers

28 going
Free
Hike Reinhardt Redwood Regional Park

Bay Area Multi-Family and More -July 2025 Meet Up- Ali Nasir

Hosted by:聽(BAMM) Bay Area Multifamily and More

25 going
Free
Bay Area Multi-Family and More -July 2025 Meet Up- Ali Nasir

Food Packing with Rise Against Hunger & SF Bay Area Rotary Club

Hosted by:聽Friends of the San Francisco Bay Area Rotary Club

22 going
Free
Food Packing with Rise Against Hunger & SF Bay Area Rotary Club

Bay Farm Island Shore and Lagoon Loop (4.5 miles)

Hosted by:聽The Sweeps Hiking Group

38 going
Free
Bay Farm Island Shore and Lagoon Loop (4.5 miles)

No Hurry, No Worry Weekly Wednesday Hikes at Redwood Regional Park

Hosted by:聽Weekly Hikes at Redwood Regional Park and more

2 going
Free
No Hurry, No Worry Weekly Wednesday Hikes at Redwood Regional Park

Happy Hour at Tiki Tom鈥檚 !

Hosted by:聽Gen X and Millennial Ladies: Broad Squad

9 going
Free
Happy Hour at Tiki Tom鈥檚 !

Events in Castro Valley this weekend

Browse the most interesting activities of the weekend in Castro Valley

Singles Mingle @ Barnyard Epicurean Wine Bar in Danville

Hosted by:聽Singles Mingle - Getting Singles Together - Bay Area

275 going
Free
Singles Mingle @ Barnyard Epicurean Wine Bar in Danville

Hike & Picnic at Redwood Regional Park

Hosted by:聽Weekly Hikes at Redwood Regional Park and more

28 going
Free
Hike & Picnic at Redwood Regional Park

Reinhardt Redwood Regional Park Hike: 6.9 Miles

Hosted by:聽The East Bay Hiking Club for Millenials

50 going
Free
Reinhardt Redwood Regional Park Hike: 6.9 Miles

Niles Concert on the Plaza

Hosted by:聽Girl Time Bay Area Outings and Adventures

10 going
Free
Niles Concert on the Plaza

Weekly Hikes at Reinhardt Redwood Regional Park

Hosted by:聽Weekly Hikes at Redwood Regional Park and more

15 going
Free
Weekly Hikes at Reinhardt Redwood Regional Park

Reinhardt Redwood Park Hike (Sierra Singles and Hiking Section)

Hosted by:聽San Francisco Bay Chapter of the Sierra Club

30 going
Free
Reinhardt Redwood Park Hike (Sierra Singles and Hiking Section)

IN-PERSON Autistic Adults Peer Support Group

Hosted by:聽Autistic Adults Online Peer Support Group

22 going
Free
IN-PERSON Autistic Adults Peer Support Group

Dinner hangout in San Leandro 馃崟馃嵑

Hosted by:聽30s-40s Make New Friends - East Bay

7 going
Free
Dinner hangout in San Leandro 馃崟馃嵑