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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
Suite, 1 Bedroom | In-room safe, desk, laptop workspace, iron/ironing board
Exterior
Daily full breakfast for a fee

Reviews

9.0 out of 10
Wonderful

Popular amenities

  • Pool
  • Hot tub
  • Spa
  • Parking included
  • Free Wi-Fi
  • Restaurant

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, California State Polytechnic University, Pomona
    ‪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

  • 26 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Single Bed
  • Free Wi-Fi

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)
  • 26 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed
  • Free Wi-Fi

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)
  • 20 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed
  • Free Wi-Fi

View all photos for Standard Room, 2 Queen Beds

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

Standard Room, 2 Queen Beds

9.2 out of 10
Wonderful
(43 reviews)
  • 20 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

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)

  • 20 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

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)
  • 20 sq m
  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds
  • Free Wi-Fi

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
(34 reviews)
  • 20 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Standard Room

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

Standard Room

  • 20 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Single Bed
  • Free Wi-Fi

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)
  • 26 sq m
  • 1 bedroom
  • Sleeps 3
  • 1 King Bed
  • Free Wi-Fi

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)
  • 20 sq m
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed
  • Free Wi-Fi

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About this property

Holiday Inn Diamond Bar - Pomona by IHG

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 centre, a bar/lounge and a snack bar/deli are on-site. Housekeeping is available on request.
Holiday Inn Diamond Bar - Pomona by IHG offers 176 accommodations with a safe and coffee/tea makers. Flat-screen televisions come with premium cable channels. Bathrooms include a shower, complimentary toiletries and hairdryers.

Guests can surf the web using complimentary wired and wireless Internet access. Business-friendly amenities include desks and telephones; 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 centre.
Guests can indulge in a pampering treatment at the hotel's full-service spa.
Our customers tell us that they can't get enough of the helpful staff at Holiday Inn Diamond Bar - Pomona by IHG. During your stay, you'll be close to Mount San Antonio College. Free WiFi in public areas, free self-parking and a full-service spa are available.
  • Free WiFi and wired Internet
  • Free self-parking
  • Grab something to eat at the restaurant or stop for a drink at the bar/lounge
  • Full breakfast served daily for a fee
  • Take a swim in the outdoor pool or soak in the hot tub
  • Treat yourself with a visit to the full-service spa
  • Amenities include a front desk safe, a business centre and meeting rooms
  • On-site recreation includes a gym
  • Guests have great things to say about the clean guestrooms and the helpful staff
  • 12 minutes by car from California State University, Fullerton and 6 minutes from Mount San Antonio College
Holiday Inn Diamond Bar - Pomona by IHG offers its guests a full-service spa, an outdoor pool, and a hot tub. Along with a restaurant, there's a snack bar/deli on site. You can enjoy a drink at the bar/lounge. A computer station is on site, and both WiFi and wired Internet are free in public spaces.

A business centre and meeting rooms are available. Event space at this hotel measures 2799 square feet (260 square metres) and includes conference space. A fitness centre, a vending machine, and multilingual staff are also featured at the business-friendly Holiday Inn Diamond Bar - Pomona by IHG. Free self parking is available.

Smoking is allowed in designated areas at this 3-star Diamond Bar hotel.

For a fee, guests can enjoy a full breakfast daily from 6:00 AM to 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 transport

  • Free self parking on site
  • Limited on-site self parking
  • 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 centre
  • 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
  • Lift
  • Wheelchair-accessible business centre
  • 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 and check-out are available
Minimum check-in age - 21

Check-out

Check-out before noon
Contactless check-out

Special check-in instructions

An adult aged 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
  • Restaurant

Access methods

Staffed front desk

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.
  • Rollaway/extra beds are not available.
  • Cots (infant beds) are not available.

Payment types at the property

Important information

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

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

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
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
This property doesn't offer after-hours check-in. Front desk staff will greet guests on arrival at the property. An adult age 18 or older must assume all liability for the booking.

We should mention

  • Pool access available from 7 AM to 10 PM
  • Connecting/adjoining rooms are subject to availability and can be requested by contacting the property at the number on your 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 1002 reviews
Rating 8 - Good. 201 out of 1002 reviews
Rating 6 - Okay. 70 out of 1002 reviews
Rating 4 - Poor. 35 out of 1002 reviews
Rating 2 - Terrible. 33 out of 1002 reviews

9.2/10

Cleanliness

9.0/10

Staff & service

8.6/10

Amenities

9.0/10

Property conditions & facilities

Reviews

Verified

10/10 Excellent

Lilia

Liked: Cleanliness, staff & service, property conditions & facilities
Great place to stay.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Javier

Liked: Cleanliness, amenities, property conditions & facilities
Room was clean and staff was awesome.
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Byron

Liked: Cleanliness, amenities, property conditions & facilities
Rooms were comfortable clean. Staff were amazing Food was delicious
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Julie

Liked: Cleanliness
Very nice hotel, clean and comfortable. Everyone was professional and friendly.
Stayed 2 nights in Mar 2026
Verified

10/10 Excellent

Michelle

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The room was very clean and nice and I feel very comfortable there
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Mynor

Liked: Cleanliness, amenities, property conditions & facilities
Great location, room was great and clean.
Stayed 3 nights in Nov 2025
Verified

8/10 Good

Joyce

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff were really nice.They upgraded our room without additional charhes.Rooms were clean & place is quite.Thank you to Kate for assisting us
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

Yinghung

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The person working at the front desk was very friendly. The room was spotless and tidy. It was also very quiet, even on Sunday night. Overall, the experience was amazing. My family and I will definitely stay at this hotel again.
Stayed 1 night in Mar 2026
Verified

10/10 Excellent

hilda

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very friendly staff
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Maria

Liked: Cleanliness, staff & service, amenities
Check in was quick! Beds were comfy! & noone bugged us before our checkout. Had a very long day travel day & we needed the rest
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Raul

Liked: Cleanliness, amenities
Good area
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Ivonne

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great Hotel!
Stayed 1 night in Jul 2025
Verified

10/10 Excellent

Katey

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean, close to restaurants, quiet, comfortable beds, good buffet breakfast
Stayed 1 night in Jul 2025
Verified

10/10 Excellent

Joyao

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
Clean rooms, nice amenities available. Breakfast a little pricy. Plenty of parking available.
Stayed 6 nights in Dec 2025
Verified

10/10 Excellent

Shelley

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Love this hotel
Stayed 3 nights in May 2025
Verified

10/10 Excellent

Eliana

Liked: Cleanliness, staff & service, property conditions & facilities
Clean room. Comfortable bed. 10 Star Staff!! Thank you Katia for a wonderful service. We will definitely go back.
Stayed 4 nights in Mar 2026
Verified

10/10 Excellent

Shelley

Liked: Cleanliness, amenities, property conditions & facilities
It’s always easier to check in here. Great staff great location. I stay here a lot.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

kevin

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

10/10 Excellent

Armando

Liked: Cleanliness, property conditions & facilities
The room was very clean, missing towels but staff very helpful and kind
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Miguel

Liked: Cleanliness, staff & service, property conditions & facilities
My room was clean, staff friendly, very quiet.
Stayed 1 night in Oct 2025
Verified

10/10 Excellent

Marshell

Liked: Cleanliness, amenities, property conditions & facilities
Everything was nice. Quiet stay.
Stayed 3 nights in Nov 2025
Verified

10/10 Excellent

VERONICA

Liked: Cleanliness, amenities, property conditions & facilities
Staff was amazing, super clean, pool is Luke warm and spa is amazingly hot. Excellent experience.
Stayed 1 night in Dec 2025
Verified

10/10 Excellent

Shelley

Liked: Cleanliness, amenities, property conditions & facilities
At check-in, your staff is just completely amazing. I can’t say enough good things about them all.
Stayed 2 nights in Nov 2025
Verified

10/10 Excellent

Bob

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

10/10 Excellent

Stanley

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
This is where we stay when visiting family in the area. Has been reliable, clean and comfortable!
Stayed 4 nights in Oct 2025