We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers: Windows: Internet Explorer, Mozilla Firefox. Mac: Safari.
Free Newsletter

Interested in Diamond Bar?

We'll send you updates with the latest deals, reviews and articles for Diamond Bar each week.

Nearby Cities
You may also be interested in these cities within five miles of Diamond Bar:
TripAdvisor

Be the first to create a Diamond Bar Traveler List!

Create a List Now

Explore other Diamond Bar resources:

Visiting Diamond Bar, CA


Add Videos
Add Photos
Free Diamond Bar Guide

Get your quick guide to the top hotels, restaurants and things to do.

Diamond Bar
Click map pins for more information.
Sponsor:
view map of Diamond Bar

Top Deals for

Deals by BookingBuddy®
Other Destinations
Popular California Destinations
Berkeley Hotels
Beverly Hills Hotels
Carlsbad Hotels
Carmel Vacation Rentals
Channel Islands National Park
Death Valley National Park
Joshua Tree National Park
La Jolla Vacation Rentals
Lake Tahoe Vacation Rentals
Lassen Volcanic National Park
Long Beach Hotels
Los Angeles Vacation Rentals
Mammoth Lakes Vacation Rentals
Monterey Vacation Rentals
Napa Valley Vacation Rentals
Newport Beach Vacation Rentals
Oakland Hotels
Orange County Vacation Rentals
Palm Springs Vacation Rentals
Pasadena Hotels
Sacramento Hotels
San Diego Vacation Rentals
San Francisco Vacation Rentals
San Jose Hotels
San Luis Obispo Hotels
Santa Barbara Vacation Rentals
Santa Cruz Vacation Rentals
Santa Monica Hotels
Sequoia and Kings Canyon National Park
Yosemite National Park
Flights: Cheap airfare to Diamond Bar (arriving in Ontario, CA - Ontario International Airport)

Traveler Advice on Diamond Bar

3 Hotels & Accommodations

Find out more on these hotels
Hotel Quick Search – Find hotels travelers trust
mm/dd/yyyy mm/dd/yyyy
Go to Diamond Bar Hotels & Accommodations

17 Restaurants

View all Diamond Bar restaurants

Weather

 | 
Monthly Averages
Month
High
Low
Precip
Jul
88°F 31°C
56°F 13°C
0 in 0 cm
Aug
90°F 32°C
57°F 13°C
0 in 0 cm
Sep
87°F 30°C
54°F 12°C
0 in 0 cm
Oct
78°F 25°C
48°F 8°C
0 in 1 cm
Nov
69°F 20°C
41°F 5°C
1 in 1 cm
Dec
65°F 18°C
36°F 2°C
1 in 2 cm
Extended Forecast
Wednesday
Jul 15
Hi:
94°F 34°C
Lo:
65°F 18°C
Thursday
Jul 16
Hi:
97°F 36°C
Lo:
67°F 19°C
Friday
Jul 17
Hi:
97°F 36°C
Lo:
67°F 19°C
More weather for Diamond Bar
Powered by
Weather Underground

Traveler Reviews

“WORST CUSTOMER SERVICE EVER!! LIES LIES LIES”

Best Western Diamond Bar

1 of 5 stars
TRVL_BALR
NOR CAL
Jun 10, 2009

By the looks of it everyone else has pretty much hit the nail on the head when it comes to this joke of a hotel. Don't waste your time or money at this place. I dealt with Summer and was given nothing...more

“Horrible Small Buffet with limited items”

Diamond Palace Cuisine-india

1 of 5 stars
kayliela
diamond bar
May 9, 2009
1/1 found this review helpful

It takes forever to get naan when choosing the buffet and the price of the buffet, you would think they could expand the items. It was a small buffet with very limited items and food taste was ok....more

“Avoid at all cost!!”

D'Antonio's Ristorante

1 of 5 stars
moonlit_sail
Georgia
Nov 18, 2008
1/1 found this review helpful

Upon entering the restaurant on Monday November 17th around six thirty, we noticed we were the only people in the restaurant. Always a bad sign. We figured that maybe we had just beat the dinner rush....more

See all Diamond Bar reviews

Diamond Bar Forum

Ask a Question or Browse the Discussions
Central Coast road trip report: Paso Robles to Santa Cruz today, 2 replies
Tours for 18-35's across the US? today, 3 replies
Traveling with an infant in wine country today, 1 reply
Pre-book or some wandering possible? today, 2 replies
is the Wine Train still contentious today, 4 replies
Help on the West Coast of California please... today, 2 replies
From Sanfransico to San Diego today, 5 replies
Motorola F3 phone today, 1 reply
Best budget restaurants - SF, Santa Cruz, Monterey areas etc today, 13 replies
Travelling between LA and Palm Springs July 15, 2009, 2 replies
View all discussions
Search the Diamond Bar Forum
Post a new Diamond Bar topic

Are You a Diamond Bar Tourism Organization?