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Fun Events and Things to do in Diamond Bar, CA

SPIDER-MAN Family Fun Night
Friday at 6:00 PM
Marlboro · Play & Parties
SPIDER-MAN Family Fun Night
Friday at 6:00 PM
Marlboro · Play & Parties
Science Fun Day
Friday at 2:00 PM
Downtown · Pomona Wellness Community
Science Fun Day
Friday at 2:00 PM
Downtown · Pomona Wellness Community
END OF SUMMER FUN & GAMES POOL PARTY
Sat, Sep 26, 3:00 PM
New Model Colony · Interstate 15
END OF SUMMER FUN & GAMES POOL PARTY
Sat, Sep 26, 3:00 PM
New Model Colony · Interstate 15
Second Annual Pfeiffer Pfeif-K Fun Run| 2026 CA Brewery Running Series
Sat, Nov 7, 10:00 AM
Olive · Pfeiffer Brewing Company
Second Annual Pfeiffer Pfeif-K Fun Run| 2026 CA Brewery Running Series
Sat, Nov 7, 10:00 AM
Olive · Pfeiffer Brewing Company
SAPPHIC AUTUMN SOCIAL : Ghouls Just Wanna Have Fun
Sun, Oct 18, 7:00 PM
Downtown · The Copper Door, North Broadway, Santa Ana, CA, USA
SAPPHIC AUTUMN SOCIAL : Ghouls Just Wanna Have Fun
Sun, Oct 18, 7:00 PM
Downtown · The Copper Door, North Broadway, Santa Ana, CA, USA
Moonlight Witch Paint and Sip in Orange! Halloween fun!
Mon, Oct 5, 6:00 PM
Olive · Green Cheek Beer Co.
Moonlight Witch Paint and Sip in Orange! Halloween fun!
Mon, Oct 5, 6:00 PM
Olive · Green Cheek Beer Co.
Family Fun with Arts & Crafts
Sat, Sep 26, 1:00 PM
Tujunga · Creations Kids Zone
Family Fun with Arts & Crafts
Sat, Sep 26, 1:00 PM
Tujunga · Creations Kids Zone
5k Fun Run at Ambitious Ales | 2026 CA Brewery Running Series
Sat, Sep 19, 10:00 AM
Bixby Knolls · Ambitious Ales
5k Fun Run at Ambitious Ales | 2026 CA Brewery Running Series
Sat, Sep 19, 10:00 AM
Bixby Knolls · Ambitious Ales
Marco Does A Gameshow
Fri, Sep 25, 8:00 PM
South Walnut · Casa De Pancho Mexican Grill
Marco Does A Gameshow
Fri, Sep 25, 8:00 PM
South Walnut · Casa De Pancho Mexican Grill
DIY Anime x Halloween Bat Decor
Sunday at 6:00 PM
Upland Palms · Umakers Makerspace
DIY Anime x Halloween Bat Decor
Sunday at 6:00 PM
Upland Palms · Umakers Makerspace
Hooked On Jilixseung
Sunday at 1:00 PM
Downtown · Guanyin Tea House
Hooked On Jilixseung
Sunday at 1:00 PM
Downtown · Guanyin Tea House
Witches Hat Decorating
Sat, Sep 26, 6:00 PM
West Covina North · 1270 E Garvey St suite 150
Witches Hat Decorating
Sat, Sep 26, 6:00 PM
West Covina North · 1270 E Garvey St suite 150
Bella Terra Kids Club: Fun for Fall
Monday at 11:00 AM
Smeltzer · Bella Terra
Bella Terra Kids Club: Fun for Fall
Monday at 11:00 AM
Smeltzer · Bella Terra
Fall Fest 2026
Sat, Oct 3, 4:00 PM
Bonita Avenue · 275 E Foothill Blvd
Fall Fest 2026
Sat, Oct 3, 4:00 PM
Bonita Avenue · 275 E Foothill Blvd
Plant Bingo in Whittier
Thu, Sep 17, 6:30 PM
Uptown Whittier · Whittier Brewing Company
Plant Bingo in Whittier
Thu, Sep 17, 6:30 PM
Uptown Whittier · Whittier Brewing Company
Paint Event California Pizza
Tue, Sep 15, 6:30 PM
Boys Republic · California Pizza Kitchen At Chino Hills
Paint Event California Pizza
Tue, Sep 15, 6:30 PM
Boys Republic · California Pizza Kitchen At Chino Hills
Boots on Main Country Festival
Saturday at 2:00 PM
Carlton · Main Street
Boots on Main Country Festival
Saturday at 2:00 PM
Carlton · Main Street
Paint Party - Waterfall
Saturday at 6:00 PM
Victoria Place · Mimi's Cafe
Paint Party - Waterfall
Saturday at 6:00 PM
Victoria Place · Mimi's Cafe
Sugar Lane Dessert Festival (FREE ENTRY, TICKETS NOT REQUIRED!)
Sat, Sep 19, 5:00 PM
Historic District · West Center Street Promenade
Sugar Lane Dessert Festival (FREE ENTRY, TICKETS NOT REQUIRED!)
Sat, Sep 19, 5:00 PM
Historic District · West Center Street Promenade
Girls Just Wanna Love God - Fall Edition
Sun, Sep 20, 12:00 PM
Leffingwell · The Rose Gardens
Girls Just Wanna Love God - Fall Edition
Sun, Sep 20, 12:00 PM
Leffingwell · The Rose Gardens

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