Antioch · Sunday, October 25, 2026

Autumn Open House Weekend at Black Diamond Mines

Autumn Open House Weekend at Black Diamond Mines on Sunday, October 25, 2026 at 10:00 AM PDT at Black Diamond Mines (Park). Best for: school-age, tween.

Confirmed from the organizer's calendar.

When

Sunday, October 25, 2026 at 10:00 AM PDT

Venue

Black Diamond Mines

City

Antioch

Category

Park

Age bands

school-age, tween

Event page

apm.activecommunities.com/ebparks/Activity_Search/60205

Special Events Autumn Open House Weekend at Black Diamond Mines Sunday, Oct. 25, 2026, 10:00 AM Black Diamond Mines , Antioch

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