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Events and Things to do in Diamond Bar, CA

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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
Canvas Connection Community Wellness Fest 2026 Sponsorship Opportunities
Sat, Jul 18, 9:00 AM
Chino Hills · Boys Republic
Canvas Connection Community Wellness Fest 2026 Sponsorship Opportunities
Sat, Jul 18, 9:00 AM
Chino Hills · Boys Republic
Sales end soon
Drag Show: Saturday Night
Saturday at 7:30 PM + 48 more
Ontario · Hamburger Mary's Ontario
Sales end soon
Drag Show: Saturday Night
Saturday at 7:30 PM + 48 more
Ontario · Hamburger Mary's Ontario
Just added
HYROX SIMULATION
Sun, Jun 28, 7:00 AM
Whittier · 15320 Whittier Blvd
Just added
HYROX SIMULATION
Sun, Jun 28, 7:00 AM
Whittier · 15320 Whittier Blvd
Basic Crisis Negotiations
Mon, Oct 26, 8:00 AM
Anaheim · Anaheim Police Department – East Station
Basic Crisis Negotiations
Mon, Oct 26, 8:00 AM
Anaheim · Anaheim Police Department – East Station
That’s So 2010s MDW Edition
Sun, May 24, 9:00 PM
Santa Ana · The Copper Door
That’s So 2010s MDW Edition
Sun, May 24, 9:00 PM
Santa Ana · The Copper Door
Creative Thinking 1 Day Workshop |Anaheim, CA
Wednesday at 9:00 AM + 3 more
Anaheim · For venue details reach us at info@learnerring.com
Creative Thinking 1 Day Workshop |Anaheim, CA
Wednesday at 9:00 AM + 3 more
Anaheim · For venue details reach us at info@learnerring.com
2026 Summer Institute Rancho Cucamonga
Mon, Jul 13, 8:30 AM
Rancho Cucamonga · West End Educational Service Center
2026 Summer Institute Rancho Cucamonga
Mon, Jul 13, 8:30 AM
Rancho Cucamonga · West End Educational Service Center
Interview Skills 1 Day Workshop |Ontario, CA
Fri, Jun 19, 9:00 AM + 1 more
Ontario · For venue details reach us at info@learnerring.com
Interview Skills 1 Day Workshop |Ontario, CA
Fri, Jun 19, 9:00 AM + 1 more
Ontario · For venue details reach us at info@learnerring.com
Brunch with New Friends: Baldwin Park
Sat, Jun 20, 12:00 PM + 6 more
Baldwin Park · Restaurant of the Week
Brunch with New Friends: Baldwin Park
Sat, Jun 20, 12:00 PM + 6 more
Baldwin Park · Restaurant of the Week
Inland Empire Speed Dating for Singles Age 43-57 ♥ Corona California at The Wine Down
Tue, Jul 7, 7:00 PM
Corona · The Wine Down
Inland Empire Speed Dating for Singles Age 43-57 ♥ Corona California at The Wine Down
Tue, Jul 7, 7:00 PM
Corona · The Wine Down
Sales end soon
In-Person Class: Classic French Macarons (Orange County)
Friday at 6:00 PM + 1 more
Anaheim · Hilton Garden Inn Anaheim Resort
Sales end soon
In-Person Class: Classic French Macarons (Orange County)
Friday at 6:00 PM + 1 more
Anaheim · Hilton Garden Inn Anaheim Resort
MONSTERPALOOZA - Pasadena - 2026
Fri, May 29, 6:00 PM
Pasadena · Pasadena Convention Center
MONSTERPALOOZA - Pasadena - 2026
Fri, May 29, 6:00 PM
Pasadena · Pasadena Convention Center
Leading Effective Teams 1 Day Workshop |Ontario, CA
Fri, Jun 19, 9:00 AM + 1 more
Ontario · For venue details reach us at info@learnerring.com
Leading Effective Teams 1 Day Workshop |Ontario, CA
Fri, Jun 19, 9:00 AM + 1 more
Ontario · For venue details reach us at info@learnerring.com
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
CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in Glendora, CA
Thu, Jun 18, 9:00 AM
West Covina · 1050 Lakes Dr
CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in Glendora, CA
Thu, Jun 18, 9:00 AM
West Covina · 1050 Lakes Dr
Bravo The Bagchaser Live in Riverside, CA
Fri, May 29, 7:00 PM
Riverside · El Calentano
Bravo The Bagchaser Live in Riverside, CA
Fri, May 29, 7:00 PM
Riverside · El Calentano
Sip, Paint & Aloha — Tropical Hibiscus Vase
Thu, Jul 23, 7:00 PM
Claremont · Grafted Cellars Winery & Restaurant
Sip, Paint & Aloha — Tropical Hibiscus Vase
Thu, Jul 23, 7:00 PM
Claremont · Grafted Cellars Winery & Restaurant
Workplace Reflective Practice 1 Day Workshop | Ontario, CA
Thursday at 9:00 AM + 2 more
Ontario · For venue details reach us at info@learnerring.com
Workplace Reflective Practice 1 Day Workshop | Ontario, CA
Thursday at 9:00 AM + 2 more
Ontario · For venue details reach us at info@learnerring.com
Sales end soon
Deep Reset: Movement, Reiki & Sound Bath w/ Ajna Light Frequency Therapy
Wednesday at 7:30 PM
Corona · Holistic Vibez
Sales end soon
Deep Reset: Movement, Reiki & Sound Bath w/ Ajna Light Frequency Therapy
Wednesday at 7:30 PM
Corona · Holistic Vibez

Trends in Diamond Bar

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Explore more trends

Frequently asked questions about Diamond Bar

What are the best events to attend?

According to Eventbrite, the best events are:

2026 Picnic in the Park

Canvas Connection Community Wellness Fest 2026 Sponsorship Opportunities

Drag Show: Saturday Night

HYROX SIMULATION

Which events are currently trending in Diamond Bar?

The trending searches this month in Diamond Bar are:

living trust and estate planning seminar

free kids event

Which events are coming up?

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

Creative Thinking 1 Day Workshop |Anaheim, CA

Deep Reset: Movement, Reiki & Sound Bath w/ Ajna Light Frequency Therapy

Workplace Reflective Practice 1 Day Workshop | Ontario, CA

In-Person Class: Classic French Macarons (Orange County)