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Community Events and Things to do in Rossmoor, CA

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Cooper Museum Speaker Series: Chaffey Legacy in Australia
Thu, May 21, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Chaffey Legacy in Australia
Thu, May 21, 6:30 PM
Upland · 217 E A St
2026 Picnic in the Park
Fri, Jun 19, 5:00 PM + 2 more
Eastvale · Eastvale Community Park
2026 Picnic in the Park
Fri, Jun 19, 5:00 PM + 2 more
Eastvale · Eastvale Community Park
Breaking Bread - A New Dawn for Jews and Muslims
Sun, Mar 29, 1:00 PM
Los Angeles · Skirball Cultural Center
Breaking Bread - A New Dawn for Jews and Muslims
Sun, Mar 29, 1:00 PM
Los Angeles · Skirball Cultural Center
Cooper Museum Speaker Series: Cucamonga Valley Wine Growing
Thu, Apr 23, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Cucamonga Valley Wine Growing
Thu, Apr 23, 6:30 PM
Upland · 217 E A St
Fred Parker Wellness Monthly Women's Circle
Thu, Apr 16, 7:00 PM
Los Angeles · Fred Parker Wellness, Studio City
Fred Parker Wellness Monthly Women's Circle
Thu, Apr 16, 7:00 PM
Los Angeles · Fred Parker Wellness, Studio City
Sales end soon
The Celestial Market: Ostara ❀ by The Witch's Cottage
Tomorrow at 6:00 PM
Los Angeles · The Witch’s Cottage
Sales end soon
The Celestial Market: Ostara ❀ by The Witch's Cottage
Tomorrow at 6:00 PM
Los Angeles · The Witch’s Cottage
Cooper Museum Speaker Series: Historic Home Styles
Thu, Jun 25, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Historic Home Styles
Thu, Jun 25, 6:30 PM
Upland · 217 E A St
Full Moon Ceremony: Ecstatic Dance, Kirtan, Cacao, Sound Bath, Ajna Light
Fri, Apr 3, 7:00 PM
Corona · YOGADEN Health Spa
Full Moon Ceremony: Ecstatic Dance, Kirtan, Cacao, Sound Bath, Ajna Light
Fri, Apr 3, 7:00 PM
Corona · YOGADEN Health Spa
Cooper Museum Speaker Series: Water: Past, Present, & Future
Thu, Jul 23, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Water: Past, Present, & Future
Thu, Jul 23, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Human Connection of Sister Cities
Thu, Sep 24, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Human Connection of Sister Cities
Thu, Sep 24, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Surprising History of American Funerals
Thu, Oct 29, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: The Surprising History of American Funerals
Thu, Oct 29, 6:30 PM
Upland · 217 E A St
Just added
1001 Nights at Cosmo Palace
Sat, Jun 27, 6:00 PM
Los Angeles · COSMO PALACE RESTAURANT & BANQUET
Just added
1001 Nights at Cosmo Palace
Sat, Jun 27, 6:00 PM
Los Angeles · COSMO PALACE RESTAURANT & BANQUET
LHHS class of 2006 High School Reunion!
Sat, Aug 15, 5:00 PM
San Clemente · Shorecliffs Golf Club
LHHS class of 2006 High School Reunion!
Sat, Aug 15, 5:00 PM
San Clemente · Shorecliffs Golf Club
Spring Family Glow Party
Sat, Apr 25, 6:00 PM
Upland · 217 E A St
Spring Family Glow Party
Sat, Apr 25, 6:00 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Alf Museum
Thu, Aug 27, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Alf Museum
Thu, Aug 27, 6:30 PM
Upland · 217 E A St
Sales end soon
Caliber | LGBTQ+, Everyone Welcome
Today at 8:00 PM
Upland · 1386 E Foothill Blvd
Sales end soon
Caliber | LGBTQ+, Everyone Welcome
Today at 8:00 PM
Upland · 1386 E Foothill Blvd
Just added
Heal Your Inner Child Workshop
Sat, Apr 11, 5:00 PM
Los Angeles · WOC Therapy
Just added
Heal Your Inner Child Workshop
Sat, Apr 11, 5:00 PM
Los Angeles · WOC Therapy
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Halloween Family Glow Party
Sat, Oct 24, 4:00 PM
Upland · 217 E A St
Spring Picnic at the Historic Chaffey Communities Cultural Center
Sun, Apr 19, 11:00 AM
Upland · Pioneer Park
Spring Picnic at the Historic Chaffey Communities Cultural Center
Sun, Apr 19, 11:00 AM
Upland · Pioneer Park
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Urban Gardening
Thu, Nov 19, 6:30 PM
Upland · 217 E A St

Trends in Rossmoor

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Frequently asked questions about Rossmoor

What are the best events to attend?

According to Eventbrite, the best events are:

Cooper Museum Speaker Series: Chaffey Legacy in Australia

2026 Picnic in the Park

Cooper Museum Speaker Series: Cucamonga Valley Wine Growing

Fred Parker Wellness Monthly Women's Circle

Which events are currently trending in Rossmoor?

The trending searches this month in Rossmoor are:

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Caliber | LGBTQ+, Everyone Welcome

The Celestial Market: Ostara ❀ by The Witch's Cottage

Breaking Bread - A New Dawn for Jews and Muslims

Full Moon Ceremony: Ecstatic Dance, Kirtan, Cacao, Sound Bath, Ajna Light