Free Events & Activities in Diamond Bar, CA

East West Players Theater for Youth presents: Tam Tran

Starts in 6 hrs · Wed, Jun 10, 11:00 PM–12:00 AM UTC · West Covina Library · 1601 W. West Covina Pkwy, West Covina, CA · Ages 12–18

Prevención Acoso: Amabilidad, Aceptación e Inclusión.

In 5 days · Mon, Jun 15, 5:30 PM–6:30 PM UTC · Bob Lucas Memorial Library & Literacy Center · 2659 Lincoln Avenue, Altadena, CA

City Of Pomona Community Services Department - Recreation Division - Martin Luther King Jr. Park

City Of Pomona Community Services Department - Recreation Division - Martin Luther King Jr. Park · 800 W Lexington Ave, Pomona, CA

Outdoor Space in Pomona, CA

Holiday Fundraiser at Color Me Mine Covina

Happening now · Mar 15 – Jun 12 · Color Me Mine Covina · 483 N Citrus Ave., Covina, CA

Valentines Day Events at Color Me Mine Covina

Happening now · Mar 16 – Jun 14 · Color Me Mine Covina · 483 N Citrus Ave., Covina, CA

Diamond Bar Library

Diamond Bar Library · 21800 Copley Dr., Diamond Bar, CA

Library Program in Diamond Bar, CA

Cardboard Construction Zone

In 3 days · Sat, Jun 13, 6:00 PM–8:00 PM UTC · Bob Lucas Memorial Library & Literacy Center · 2659 Lincoln Avenue, Altadena, CA · Ages 5–12

'But I'm a Cheerleader' Watch Party

In 3 days · Sat, Jun 13, 9:30 PM–11:30 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA

YMCA Diamond Bar / Walnut

YMCA Diamond Bar / Walnut · 22600 Sunset Crossing Rd., Diamond Bar, CA

Bars Nightlife in Diamond Bar, CA

Los Angeles County Sheriff - Youth Activity League - Walnut

Los Angeles County Sheriff - Youth Activity League - Walnut · 18500 Farjardo St, Rowland Heights, CA

General in Rowland Heights, CA

Glendale Knit and Crochet

In 3 days · Sat, Jun 13, 8:00 PM–11:00 PM UTC · Montrose Library · 2465 Honolulu Avenue, Montrose, CA

Learn Korean Through K-Culture

In 6 days · Wed, Jun 17, 1:30 AM–2:45 AM UTC · Glendale Central Library · 222 East Harvard Street, Glendale, CA · Ages 18+

City Of Pomona Community Services Department - Recreation Division - Westmont Park Community Center

City Of Pomona Community Services Department - Recreation Division - Westmont Park Community Center · 1808 W. Ninth St., Pomona, CA

Community Meetup in Pomona, CA

Creative Arts

In 6 days · Tue, Jun 16, 11:30 PM–12:30 AM UTC · Casa Verdugo Library · 1151 North Brand Boulevard, Glendale, CA

Stitch by Stitch

Tomorrow · Thu, Jun 11, 11:00 PM–12:30 AM UTC · Glendale Central Library · 222 East Harvard Street, Glendale, CA

City Of Pomona Community Services Department - Recreation Division - Philadelphia Park Community Center

City Of Pomona Community Services Department - Recreation Division - Philadelphia Park Community Center · 700 E Philadelphia St, Pomona, CA

Community Meetup in Pomona, CA

Ableton 101

In 3 days · Sat, Jun 13, 9:30 PM–11:00 PM UTC · Glendale Central Library · 222 East Harvard Street, Glendale, CA · Ages 18+

HMOC & RedBoy Productions Powwow celebrating Native American Heritage Month 2026

Sat, Nov 14, 6:00 PM–2:00 AM UTC · Heritage Museum of Orange County · 3101 W Harvard St, Santa Ana, CA 92704, Santa Ana, CA

Rio De Los Angeles State Park (a.k.a. Taylor Yard) (Splash Pads)

Rio De Los Angeles State Park (a.k.a. Taylor Yard) (Splash Pads) · 1900 N. San Fernando Rd., Los Angeles, CA

Outdoor Space in Los Angeles, CA

Neurodivergent Family Night

Wed, Jul 15, 12:00 AM–2:00 AM UTC · Pretend City Children's Museum · 29 Hubble, Irvine, CA 92618, Irvine, CA

LA Game Rock Truck for Tweens & Teens!

In 2 weeks · Fri, Jun 26, 8:00 PM–10:00 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA

Claremont Farmers & Artisans Market

Claremont Farmers & Artisans Market · Harvard Ave, Claremont, CA

Farmers Market in Claremont, CA

Huntington Health Screening at Bob Lucas

Tue, Jul 14, 5:00 PM–7:00 PM UTC · Bob Lucas Memorial Library & Literacy Center · 2659 Lincoln Avenue, Altadena, CA

Chevy Chase Book Club

In 1 week · Thu, Jun 18, 1:30 AM–2:30 AM UTC · Chevy Chase Library · 3301 East Chevy Chase Drive, Glendale, CA

Ernest E. Debs Regional Park (Hiking)

Ernest E. Debs Regional Park (Hiking) · 4235 Monterey Road, Los Angeles, CA

Outdoor Space in Los Angeles, CA

OUTSIDER Film Screening, Panel, and Art Show

In 2 weeks · Sat, Jun 27, 9:00 PM–11:00 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA

Chess Club

In 3 weeks · Mon, Jun 29, 11:30 PM–12:30 AM UTC · Library Connection @ Adams Square · 1100 East Chevy Chase Drive, Glendale, CA

Vernon - Leon H. Washington Jr. Memorial Branch Library

Vernon - Leon H. Washington Jr. Memorial Branch Library · 4504 S. Central Avenue, Los Angeles, CA

Library Program in Los Angeles, CA

Way to Play Day

Fri, Oct 9, 5:00 PM–8:00 PM UTC · Pretend City Children's Museum · 29 Hubble, Irvine, CA 92618, Irvine, CA

Fred Roberts Recreation Center (Outdoor Fitness)

Fred Roberts Recreation Center (Outdoor Fitness) · 4700 South Honduras St., Los Angeles, CA

Sports Fitness in Los Angeles, CA

LEGO Build-a-thon Party

In 1 week · Tue, Jun 23, 7:00 PM–8:00 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA · Ages 3–12

Adult Crafternoon: Wrapped Glass Tumbler

Wed, Aug 19, 11:00 PM–12:30 AM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA · Ages 18+

Rio De Los Angeles State Park (a.k.a. Taylor Yard) (Playground)

Rio De Los Angeles State Park (a.k.a. Taylor Yard) (Playground) · 1900 N. San Fernando Rd., Los Angeles, CA

Playground in Los Angeles, CA

Fun in the Sun: Cyanotypes!

Tue, Jul 14, 7:00 PM–8:00 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA · Ages 5–12

Stix SGV: Skateboarding 101 for Teens!

Fri, Jul 24, 8:00 PM–9:00 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA

Ernest E. Debs Regional Park (Parks)

Ernest E. Debs Regional Park (Parks) · 4235 Monterey Road, Los Angeles, CA

Park in Los Angeles, CA

Jewel City Knitters

Sat, Dec 12, 10:00 PM–11:30 PM UTC · Chevy Chase Library · 3301 East Chevy Chase Drive, Glendale, CA

Augustus F. Hawkins Nature Park (Parks)

Augustus F. Hawkins Nature Park (Parks) · 5790 Compton Ave., Los Angeles, CA

Outdoor Space in Los Angeles, CA

Rose Parade (Tournament of Roses)

Fri, Jan 1, 6:00 PM–7:00 AM UTC · Rose Parade (Tournament of Roses) · Colorado Blvd, Pasadena, CA 91101, Los Angeles, CA

Bob Baker Marionettes

In 1 week · Tue, Jun 23, 7:30 PM–8:30 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA

Lanark/shelby Mini Park (Parks)

Lanark/shelby Mini Park (Parks) · Lanark Street & Shelby Place, Los Angeles, CA

Park in Los Angeles, CA

Music & Movement!

Fri, Sep 4, 4:30 PM–5:30 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA

HMOC FREE Community Dia de los Muertos 2027

Mon, Oct 25, 12:00 AM–4:00 AM UTC · Heritage Museum of Orange County · 3101 W Harvard St, Santa Ana, CA 92704, Santa Ana, CA

Richard Alatorre Park (Parks)

Richard Alatorre Park (Parks) · Figueroa and 134 Freeway, Los Angeles, CA

Park in Los Angeles, CA

HMOC Open House

Sun, Dec 20, 7:00 PM–11:00 PM UTC · Heritage Museum of Orange County · 3101 W. Harvard St., Santa Ana, CA, 92704, Santa Ana, CA · Ages 4–13

(TBD Title) ALD Teens x Armory

In 1 week · Sat, Jun 20, 8:00 PM–11:00 PM UTC · Altadena Library @ Loma Alta Park · 3330 North Lincoln Avenue, Altadena, CA