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Holiday Inn Diamond Bar - Pomona by IHG

3.0 star property

Choose dates to view prices

Photo gallery for Holiday Inn Diamond Bar - Pomona by IHG

Breakfast, lunch and dinner served
Property amenity
Daily full breakfast for a fee
Exterior
Suite, 1 Bedroom | In-room safe, desk, laptop workspace, iron/ironing board

Reviews

9.0 out of 10
Wonderful

Popular amenities

  • Pool
  • Hot tub
  • Spa
  • Parking included
  • Free WiFi
  • Restaurant
The current price is $150
includes taxes & fees
May 19 - May 20

Explore the area

View in a map
21725 Gateway Center Dr, Diamond Bar, CA, 91765
  • Place, Steep Canyon Trailhead
    ‪6 min drive‬
  • Place, Mount San Antonio College
    ‪7 min drive‬
  • Place, Brea Mall
    ‪9 min drive‬
  • Airport, Ontario Intl. Airport (ONT)
    ‪29 min drive‬

Room options

View all photos for Suite, 1 Bedroom

In-room safe, desk, laptop workspace, iron/ironing board

Suite, 1 Bedroom

  • 280 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Twin Bed
  • Free WiFi

View all photos for Standard Room, 1 Queen Bed, Roll-in Shower (Mobility Accessible)

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 1 Queen Bed, Roll-in Shower (Mobility Accessible)

8.0 out of 10
Very good
(1 review)
  • 280 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed
  • Free WiFi

View all photos for Standard Room, 1 Queen Bed, Transfer Shower, Non Smoking (Mobility Accessible)

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 1 Queen Bed, Transfer Shower, Non Smoking (Mobility Accessible)

9.0 out of 10
Wonderful
(4 reviews)
  • 220 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed
  • Free WiFi

View all photos for Standard Room, 2 Queen Beds

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 2 Queen Beds

9.0 out of 10
Wonderful
(42 reviews)
  • 220 sq ft
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free WiFi

View all photos for Standard Room, 2 Queen Beds, Accessible Bathtub (Mobility)

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 2 Queen Beds, Accessible Bathtub (Mobility)

  • 220 sq ft
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free WiFi

View all photos for Standard Room, 2 Queen Beds (Top Floor)

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 2 Queen Beds (Top Floor)

9.6 out of 10
Exceptional
(19 reviews)
  • 220 sq ft
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free WiFi

View all photos for Standard Room, 1 King Bed

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 1 King Bed

9.4 out of 10
Exceptional
(33 reviews)
  • 220 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free WiFi

View all photos for Standard Room

Standard Room | In-room safe, desk, laptop workspace, iron/ironing board

Standard Room

  • 220 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Twin Bed
  • Free WiFi

View all photos for Standard Room, 1 King Bed (Top Floor)

In-room safe, desk, laptop workspace, iron/ironing board

Standard Room, 1 King Bed (Top Floor)

9.6 out of 10
Exceptional
(9 reviews)
  • 280 sq ft
  • 1 bedroom
  • Sleeps 3
  • 1 King Bed
  • Free WiFi

View all photos for Suite, 1 King Bed

Shower, free toiletries, hair dryer, towels

Suite, 1 King Bed

10.0 out of 10
Exceptional
(4 reviews)
  • 220 sq ft
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed
  • Free WiFi

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Exterior
Best Western Diamond Bar Hotel & Suites
Diamond Bar
  • Pool
  • Breakfast included
  • Parking included
  • Free WiFi
3.7 out of 5, Good, 1,014 reviews
Best Western Diamond Bar Hotel & Suites

About this property

Holiday Inn Diamond Bar - Pomona by IHG

3-star Diamond Bar hotel with restaurant
This hotel features a full-service spa, an outdoor pool, and a restaurant. Free WiFi in public areas and free self parking are also provided. Additionally, a fitness center, a bar/lounge, and a snack bar/deli are onsite. Housekeeping is available on request.
Holiday Inn Diamond Bar - Pomona by IHG offers 176 accommodations with safes and coffee/tea makers. Flat-screen televisions come with premium cable channels. Bathrooms include showers, complimentary toiletries, and hair dryers.

Guests can surf the web using the complimentary wired and wireless Internet access. Business-friendly amenities include desks and phones; free local calls are provided (restrictions may apply). Housekeeping is offered on request and change of bedsheets can be requested.

An outdoor pool and a hot tub are on site. Other recreational amenities include a fitness center.
Guests can indulge in a pampering treatment at the hotel's full-service spa.
In addition to a full-service spa, Holiday Inn Diamond Bar - Pomona by IHG features an outdoor pool and a hot tub. The hotel offers a restaurant and a snack bar/deli. A bar/lounge is on site where guests can unwind with a drink. A computer station is located on site and wired and wireless Internet access is complimentary.

This 3-star property offers access to a business center and meeting rooms. Event facilities measuring 2799 square feet (260 square meters) include conference space. This business-friendly hotel also offers a fitness center, a vending machine, and multilingual staff. Complimentary self parking is available on site.

Holiday Inn Diamond Bar - Pomona by IHG has designated areas for smoking.

Full breakfasts are available for a surcharge and are served each morning between 6:00 AM and 11:00 AM.
DBs Grille and Lounge - This restaurant serves breakfast, lunch, and dinner. Guests can enjoy drinks at the bar.
Room service (during limited hours) is available.

Property amenities

Internet

  • Available in all rooms: Free WiFi and wired internet
  • Available in some public areas: Free WiFi and wired internet

Parking and transportation

  • Free self parking on site
  • Wheelchair-accessible parking available

Food and drink

  • Daily full breakfast available 6:00 AM to 11:00 AM for a fee: USD 10 to 20 per person
  • A bar/lounge
  • A restaurant
  • Snack bar/deli

Restaurants on site

  • DBs Grille and Lounge

Things to do

  • Full-service spa
  • Gym
  • Hot tub
  • Outdoor pool

Family friendly

  • In-room refrigerator
  • Laundry facilities
  • Outdoor pool
  • Snack bar/deli

Conveniences

  • 24-hour front desk
  • ATM
  • Gift shop/newsstand
  • Laundry facilities
  • Safe at front desk
  • Shared microwave
  • Vending machine
  • Water dispenser

Guest services

  • Change of bedsheets (on request)
  • Concierge services
  • Dry cleaning/laundry service
  • Housekeeping (on request)
  • Multilingual staff

Business services

  • 2,799 square feet of conference space
  • Business center
  • Computer station
  • Meeting rooms

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Assistive listening devices
  • Braille/raised signage
  • Elevator
  • Wheelchair-accessible business center
  • Wheelchair-accessible gym
  • Wheelchair-accessible parking
  • Wheelchair-accessible path of travel
  • Wheelchair-accessible pool
  • Wheelchair-accessible registration desk

More

  • 6 floors
  • Ballroom
  • Banquet hall
  • Designated smoking areas (fines apply)
  • Vegan dining options
  • Vegetarian breakfast available
  • Vegetarian dining options

Room amenities

Bedroom

  • Bedsheets provided

Bathroom

  • Free toiletries
  • Hair dryer
  • Private bathroom
  • Shower
  • Towels provided

Entertainment

  • Flat-screen TV with premium cable channels

Food and drink

  • Coffee/tea maker
  • Limited room service
  • Refrigerator

More

  • Air conditioning (climate-controlled)
  • Connecting rooms available
  • Desk
  • Free local calls
  • Iron/ironing board
  • Laptop workspace
  • Phone
  • Safe
  • Water-efficient showers

Policies

Check-in

Check-in time starts at 3:00 PM

Contactless check-in available

Minimum check-in age: 21

Check-out

Check-out before noon

Contactless check-out available

Special check-in instructions

An adult age 18 or older must assume all liability for the booking

Front desk staff will greet guests on arrival at the property

This property doesn't offer after-hours check-in

Information provided by the property may be translated using automated translation tools

Guests booked in breakfast included rate plans receive breakfast for up to 2 adults who are sharing a guestroom. Breakfast fees apply for additional guests.

Guests booked in dinner included rate plans receive dinner for up to 2 adults who are sharing a guestroom. Dinner fees apply for additional guests.

Renovations and closures

The following facilities are closed on Sunday:
  • Bar/lounge
  • Dining venue(s)

Access methods

Staffed front desk

Pets

Pets not allowed

Children and extra beds

Children are welcome

Rollaway/extra beds are not available

Cribs (infant beds) are not available

Property payment types

Important information

Optional extras

  • Fee for full breakfast: approximately USD 10 to 20 per person

The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted
Cashless transactions are available
Safety features at this property include a fire extinguisher, a smoke detector, a security system, and window guards
This property affirms that it follows the cleaning and disinfection practices of Clean Promise (IHG)
Please note that cultural norms and guest policies may differ by country and by property; the policies listed are provided by the property

We should mention

Pool access available from 7 AM to 10 PM
The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation
This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly)

Property is also known as

Diamond Bar Holiday Inn

Holiday Inn Diamond Bar

Holiday Inn Hotel Diamond Bar

Holiday Inn Diamond Bar Hotel

Holiday Inn Select Diamond Bar Hotel Diamond Bar

Holiday Inn Diamond Bar - Pomona by IHG Reviews

Reviews

9.0

Wonderful

Rating 10 - Excellent. 663 out of 1008 reviews
Rating 8 - Good. 206 out of 1008 reviews
Rating 6 - Okay. 69 out of 1008 reviews
Rating 4 - Poor. 37 out of 1008 reviews
Rating 2 - Terrible. 33 out of 1008 reviews

9.2/10

Cleanliness

9.0/10

Staff & service

8.6/10

Amenities

9.0/10

Property conditions & facilities

Reviews

10/10 Excellent

kevin

Liked: Cleanliness, property conditions & facilities
Great
Stayed 1 night in Jan 2026

6/10 Okay

Melissa

Liked: Cleanliness, amenities
Disliked: Staff & service
The room was very clean however i was woken up at 7 am to drilling in the room next to me.
Stayed 1 night in Feb 2026

8/10 Good

perry

Business traveler
Liked: Cleanliness, amenities, property conditions & facilities
all good
Stayed 2 nights in Feb 2026

10/10 Excellent

Noah

Stayed 5 nights in Jan 2026

10/10 Excellent

Shuang

Stayed 2 nights in Feb 2026

6/10 Okay

Elsa

Stayed 4 nights in Jan 2026

10/10 Excellent

Mark

Stayed 1 night in Jan 2026

10/10 Excellent

Bob

Liked: Cleanliness, amenities, property conditions & facilities
Great
Stayed 2 nights in Jan 2026

10/10 Excellent

Qintong

Traveled with family
Liked: Cleanliness, amenities, property conditions & facilities
Nice
Stayed 6 nights in Jan 2026

10/10 Excellent

Roland Gino

Stayed 2 nights in Jan 2026

10/10 Excellent

vanessa

Stayed 1 night in Jan 2026

10/10 Excellent

Raul

Traveled with partner
Liked: Cleanliness, amenities
Good area
Stayed 1 night in Dec 2025

10/10 Excellent

SHUJIE

Stayed 2 nights in Jan 2026

10/10 Excellent

Jonathan

Stayed 1 night in Jan 2026

8/10 Good

Rong

Stayed 1 night in Jan 2026

6/10 Okay

Saima

Stayed 1 night in Dec 2025

10/10 Excellent

Trevor

Stayed 2 nights in Jan 2026

10/10 Excellent

Gloria

Business traveler
Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Staff
Stayed 1 night in Jan 2026

10/10 Excellent

Caesar

Stayed 1 night in Jan 2026

8/10 Good

Gary

Liked: Cleanliness, amenities, property conditions & facilities
The only issue I had was the driveway emptying onto a blind curve. Very dangerous
Stayed 4 nights in Jan 2026

8/10 Good

Tiffany

Stayed 1 night in Jan 2026

10/10 Excellent

Tiffany

Stayed 1 night in Jan 2026

8/10 Good

Kathryn

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
The service was great! The person who checked us in were the best. However, we had a leak in our sink that spread in the night and only got a "sorry that happened."
Stayed 1 night in Dec 2025

10/10 Excellent

Dulce

Stayed 3 nights in Jan 2026

10/10 Excellent

Aileen

Stayed 2 nights in Jan 2026