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Events and Things to do in Diamond Bar, CA

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Damage Inc, Southern California's tribute to Metallica
Sat, May 30, 7:00 PM
Buena Park · Rock & Brews
Damage Inc, Southern California's tribute to Metallica
Sat, May 30, 7:00 PM
Buena Park · Rock & Brews
Ratchet Rink
Fri, May 22, 9:00 PM
Covina · Chatterbox
Ratchet Rink
Fri, May 22, 9:00 PM
Covina · Chatterbox
Sales end soon
4th Annual TSCL Mental Health Awareness 5K
Sat, May 30, 7:00 AM
Claremont · Claremont High School (Track & Campus)
Sales end soon
4th Annual TSCL Mental Health Awareness 5K
Sat, May 30, 7:00 AM
Claremont · Claremont High School (Track & Campus)
Thunderstorm Artis Live at The Cathedral
Sun, Jun 21, 6:00 PM
Pomona · The Cathedral Pomona
Thunderstorm Artis Live at The Cathedral
Sun, Jun 21, 6:00 PM
Pomona · The Cathedral Pomona
Buena Park Double Header
Tue, May 26, 10:00 AM
Buena Park · Double Tree by Hilton 7000 Beach Blvd, Buena Park
Buena Park Double Header
Tue, May 26, 10:00 AM
Buena Park · Double Tree by Hilton 7000 Beach Blvd, Buena Park
Vista Drag Bingo
Sat, Jun 20, 10:00 AM
Anaheim · Parkside Market
Vista Drag Bingo
Sat, Jun 20, 10:00 AM
Anaheim · Parkside Market
Almost full
Whittier Beginners Sewing Class
Sat, May 30, 2:00 PM
Whittier · The Upcycled Home
Almost full
Whittier Beginners Sewing Class
Sat, May 30, 2:00 PM
Whittier · The Upcycled Home
HEAT ULTRA LOUNGE | MEMORIAL DAY WEEKEND OC'S BIGGEST EVENT!
Sun, May 24, 9:30 PM
Anaheim · HEAT Ultra Lounge
HEAT ULTRA LOUNGE | MEMORIAL DAY WEEKEND OC'S BIGGEST EVENT!
Sun, May 24, 9:30 PM
Anaheim · HEAT Ultra Lounge
Anaheim Bridal Show
Sun, Jun 7, 11:00 AM
Anaheim · Hilton Anaheim
Anaheim Bridal Show
Sun, Jun 7, 11:00 AM
Anaheim · Hilton Anaheim
Park Sound Bath with Cacao & Reiki
Sun, May 31, 3:00 PM
Anaheim · Sycamore Park
Park Sound Bath with Cacao & Reiki
Sun, May 31, 3:00 PM
Anaheim · Sycamore Park
Summer Snackdown: Foodie Fest & Night Market
Sat, Jun 20, 5:00 PM
glendora · Britestar Tavern
Summer Snackdown: Foodie Fest & Night Market
Sat, Jun 20, 5:00 PM
glendora · Britestar Tavern
Almost full
Louisiana Crawfish & Shrimp Boil AYCE and live music
Sat, May 23, 2:00 PM
Norco · GreyWolf Brewing Co
Almost full
Louisiana Crawfish & Shrimp Boil AYCE and live music
Sat, May 23, 2:00 PM
Norco · GreyWolf Brewing Co
Summer Solstice Crystal Party
Sat, Jun 20, 10:00 AM
Pomona · Rough & Tumbled HQ
Summer Solstice Crystal Party
Sat, Jun 20, 10:00 AM
Pomona · Rough & Tumbled HQ
Summer Unity Fest at The Cathedral
Fri, Jul 3, 7:00 PM
Pomona · The Cathedral Pomona
Summer Unity Fest at The Cathedral
Fri, Jul 3, 7:00 PM
Pomona · The Cathedral Pomona
The IE Entertainment Networking Event
Fri, May 29, 7:00 PM
Ontario · Marsell
The IE Entertainment Networking Event
Fri, May 29, 7:00 PM
Ontario · Marsell
2026 - June ASQ Orange Empire, Section 0701, Monthly Meeting
Tue, Jun 9, 5:30 PM
Orange · Tandoor Cuisine of India
2026 - June ASQ Orange Empire, Section 0701, Monthly Meeting
Tue, Jun 9, 5:30 PM
Orange · Tandoor Cuisine of India
Cadillac Fest 14
Sat, Aug 15, 10:00 AM
Anaheim · 1450 E La Palma Ave
Cadillac Fest 14
Sat, Aug 15, 10:00 AM
Anaheim · 1450 E La Palma Ave
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA
Thu, May 28, 6:30 PM
Ontario · Brew Haven
Inland Empire SPEED DATING FOR ASIAN SINGLES Age 40s/50s ♥ Ontario CA
Thu, May 28, 6:30 PM
Ontario · Brew Haven
Men's Conference 2026
Whittier · 6355 Greenleaf Ave
Men's Conference 2026
Whittier · 6355 Greenleaf Ave
Sales end soon
Southland Symphony with RusLan | Dvořák Cello Concerto, Brahms Symphony 4
Saturday at 4:00 PM
Ontario · Bethel Congregational Church
Sales end soon
Southland Symphony with RusLan | Dvořák Cello Concerto, Brahms Symphony 4
Saturday at 4:00 PM
Ontario · Bethel Congregational Church

Trends in Diamond Bar

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Frequently asked questions about Diamond Bar

What are the best events to attend?

According to Eventbrite, the best events are:

Damage Inc, Southern California's tribute to Metallica

4th Annual TSCL Mental Health Awareness 5K

Thunderstorm Artis Live at The Cathedral

Buena Park Double Header

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:

Southland Symphony with RusLan | Dvořák Cello Concerto, Brahms Symphony 4

Louisiana Crawfish & Shrimp Boil AYCE and live music

HEAT ULTRA LOUNGE | MEMORIAL DAY WEEKEND OC'S BIGGEST EVENT!