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Diamond Bar Hotels

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Check prices for these dates

Tonight
Aug 14 - Aug 15
Tomorrow
Aug 15 - Aug 16
This weekend
Aug 14 - Aug 16
Next weekend
Aug 21 - Aug 23

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Our top choices for Diamond Bar hotels

1. Ayres Suites Diamond Bar

Ayres Suites Diamond Bar
Diamond Bar
United States
Sarah Al
P7,509
P8,575 total
includes taxes & fees
Sep 4 - Sep 5
Ayres Suites Diamond Bar

2. Best Western Diamond Bar Hotel & Suites

Best Western Diamond Bar Hotel & Suites
Diamond Bar
United States
Joanne
P6,120
P6,977 total
includes taxes & fees
Aug 27 - Aug 28
Best Western Diamond Bar Hotel & Suites

3. Holiday Inn Diamond Bar - Pomona by IHG

Holiday Inn Diamond Bar - Pomona by IHG
Diamond Bar
United States
Briana
P7,484
P8,546 total
includes taxes & fees
Sep 13 - Sep 14
Holiday Inn Diamond Bar - Pomona by IHG

4. Ayres Hotel Chino Hills – Ontario

Ayres Hotel Chino Hills – Ontario
Chino Hills
United States
Yaswanth
P6,806
P7,636 total
includes taxes & fees
Sep 1 - Sep 2
Ayres Hotel Chino Hills – Ontario

5. Holiday Inn Express & Suites Ontario - Chino Hills by IHG

Holiday Inn Express & Suites Ontario - Chino Hills by IHG
Chino Hills
United States
Tanisha
P6,748
P7,571 total
includes taxes & fees
Aug 23 - Aug 24
Holiday Inn Express & Suites Ontario - Chino Hills by IHG

6. Comfort Suites Ontario Airport Convention Center

Comfort Suites Ontario Airport Convention Center
Racimo
United States
Estefany
P6,205
P7,132 total
includes taxes & fees
Aug 16 - Aug 17
Comfort Suites Ontario Airport Convention Center

7. Hampton Inn Los AngelesWest Covina

Hampton Inn Los AngelesWest Covina
West Covina
United States
michele
P6,101
P6,723 total
includes taxes & fees
Aug 30 - Aug 31
Hampton Inn Los AngelesWest Covina

8. La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport
Arena District
United States
Leslie
P6,280
P7,207 total
includes taxes & fees
Sep 1 - Sep 2
La Quinta Inn & Suites by Wyndham Ontario Airport

9. Best Western Plus Heritage Inn Ontario Rancho Cucamonga

Best Western Plus Heritage Inn Ontario Rancho Cucamonga
17476228
United States
Gerry
P6,571
P7,556 total
includes taxes & fees
Aug 23 - Aug 24
Best Western Plus Heritage Inn Ontario Rancho Cucamonga

10. Hotel Seville

Hotel Seville
Ontario
United States
Wesley
P4,037
P4,640 total
includes taxes & fees
Aug 30 - Aug 31
Hotel Seville

11. Holiday Inn Ontario Airport by IHG

Holiday Inn Ontario Airport by IHG
Racimo
United States
michael Lee
P5,705
P6,558 total
includes taxes & fees
Aug 30 - Aug 31
Holiday Inn Ontario Airport by IHG

12. Extended Studio Hotel Ontario

Extended Studio Hotel Ontario
Racimo
United States
Cadnesha
P6,005
P6,902 total
includes taxes & fees
Aug 16 - Aug 17
Extended Studio Hotel Ontario

13. Ontario Airport Inn

Ontario Airport Inn
Ontario
United States
Luisa
P5,681
P6,530 total
includes taxes & fees
Aug 16 - Aug 17
Ontario Airport Inn

14. Ayres Suites Yorba Linda

Ayres Suites Yorba Linda
Yorba Linda
United States
Marinel
P7,272
P8,013 total
includes taxes & fees
Aug 30 - Aug 31
Ayres Suites Yorba Linda

15. Pacific Palms Resort

Pacific Palms Resort
City of Industry
United States
Violet
P12,711
P14,021 total
includes taxes & fees
Aug 17 - Aug 18
Pacific Palms Resort

16. Comfort Suites Near City of Industry - Los Angeles

Comfort Suites Near City of Industry - Los Angeles
La Puente
United States
Luis
P7,769
P8,546 total
includes taxes & fees
Sep 1 - Sep 2
Comfort Suites Near City of Industry - Los Angeles

17. Days Inn & Suites by Wyndham Fullerton

Days Inn & Suites by Wyndham Fullerton
Fullerton
United States
Kevin
P5,521
P6,073 total
includes taxes & fees
Aug 18 - Aug 19
Days Inn & Suites by Wyndham Fullerton

18. Chase Suites Hotel Brea-Fullerton

Chase Suites Hotel Brea-Fullerton
Brea
United States
Freddy
P8,795
P9,675 total
includes taxes & fees
Aug 29 - Aug 30
Chase Suites Hotel Brea-Fullerton

19. Best Western Plus Ontario Airport & Convention Center

Best Western Plus Ontario Airport & Convention Center
Racimo
United States
Navruz
P6,380
P7,321 total
includes taxes & fees
Aug 16 - Aug 17
Best Western Plus Ontario Airport & Convention Center

20. Quality Inn Placentia Anaheim Fullerton

Quality Inn Placentia Anaheim Fullerton
Placentia
United States
Claire
P5,770
P6,358 total
includes taxes & fees
Aug 16 - Aug 17
Quality Inn Placentia Anaheim Fullerton
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Where to stay in Diamond Bar

Find the best Diamond Bar areas and neighborhoods for the activities you enjoy most.

Valle Lindo

While Valle Lindo might not have many sights to explore, venturing just a little farther will lead you to top things to see and do like Black Gold Golf Club and Carbon Canyon Regional Park.

Stay near popular Diamond Bar attractions

Steep Canyon Trailhead

8.0/10 (34 reviews)
This moderately challenging 1.6-mile loop rewards hikers with panoramic views of the San Gabriel Mountains. Tackle its steep inclines when temperatures are cooler for enhanced scenery.
See properties

Learn more about Diamond Bar

Nestled between scenic hills, this suburban gem offers peaceful hiking trails at Summitridge Park and golf at Diamond Bar Golf Course. Families flock to Sycamore Canyon Park for picnics, while shoppers enjoy Diamond Bar Center's weekend farmers market with local California produce.

See all hotels in Diamond Bar
A person in a white dress sitting in a field of wildflowers with hills in the background.

Top Diamond Bar Hotel Reviews

Hotel Lulu, BW Premier Collection

Hotel Lulu, BW Premier Collection

10/10 Excellent
"Overall, Hotel LuLu is an excellent find. The location was perfect. Our rooms were large, clean and comfortable. We were traveling with adult children and our request for rooms to near or be near or in close proximity to each other was honored. It did take several message requests through Hotels.com to get a simple question answered, but it was finally taken care of. My number one pet peeve with any hotel (and I travel frequently) is not having enough towels. Most people use 2 bath towels per shower, yet most hotels only provide 3 per room. Hotel LuLu had 4 large, fluffy bath towels, along with plenty of face towels and wash cloths. This alone deserves 5 stars in my opinion :) However, for this being such a nice hotel and being labeled as "Premier" the fancy appearing hot water kettle and INSTANT coffee with powdered creamer didn't suffice. PLEASE add in-room brewing ability and upgrade the condiments for coffee. We didn't use the restaurant, but it appeared to be more of a ghost kitchen. The free cocktail in the evening was heavenly. The pool was perfect in size and water temperature. The poolside bar was excellent. We will definitely stay here on our next Disney adventure."
Christopher 3-night trip
Posted 1 hour ago
Hotel Lulu, BW Premier Collection
Anaheim Majestic Garden Hotel

Anaheim Majestic Garden Hotel

10/10 Excellent
"The staff was fantastic!! Great food for a happy hour!"
Dierdre 3-night trip
Posted 2 hours ago
Anaheim Majestic Garden Hotel
Clementine Hotel & Suites Anaheim

Clementine Hotel & Suites Anaheim

10/10 Excellent
"Great place to stay. Always feels safe and not a far walk to the park."
Savanah 2-night trip
Posted 3 hours ago
Clementine Hotel & Suites Anaheim
The Viv Hotel, Anaheim, a Tribute Portfolio Hotel

The Viv Hotel, Anaheim, a Tribute Portfolio Hotel

8/10 Good
"I loved the hotel but the adult amenities like a"
Nicolas 1-night trip
Posted 11 hours ago
The Viv Hotel, Anaheim, a Tribute Portfolio Hotel
Anaheim Marriott Hotel

Anaheim Marriott Hotel

8/10 Good
"The room and bathroom were clean. The bed was comfy. The part of the hotel we were in seemed a little older, and the walk to the primary elevator and self-parking lot was a little farther than expected. Staff was friendly. Nonetheless, we enjoyed our very short stay."
Keili 2-night trip
Posted 11 hours ago
Anaheim Marriott Hotel
The Anaheim Hotel

The Anaheim Hotel

10/10 Excellent
"Awesome definitely would come back!!"
Raul 1-night trip
Posted 12 hours ago
The Anaheim Hotel
Grand Legacy At the Park

Grand Legacy At the Park

10/10 Excellent
"Only two nits regarding the property. 1. Narrow parking spaces (most of them). Admittedly I was driving a midsized SUV, but I did find some good spots). 2. The main restaurant/bar opened at 5 pm. Great aspects: a. Room was clean and well appointed. It was also ready almost 1.5 hours early and the hotel called me to let me know. b. The staff was very helpful. We were in a multi room group and they put us in rooms that were close or adjoining. Didn’t even have to ask! c. The pool was nice with lots of chairs, towels and umbrellas. d. There were 4 restaurants (Denny’s, IHOP, Tony Romas and a small coffee,pastry shop within 150-200’ from our room - literally a 5 minute walk. e. As advertised the hotel is about 2-3 blocks from your room to the ticket gates/entrance to Disneyland and California Adventure. It’s actually a shorter walk than from the Disneyland Hotel. This hotel is about a 15-18 minute walk to Downtown Disney (and much less expensive). Our families will definitely stay here again!"
Matthew 2-night trip
Posted 17 hours ago
Grand Legacy At the Park
Best Western Plus Stovall's Inn

Best Western Plus Stovall's Inn

8/10 Good
"The continental breakfast is amazing. Lots of choices. The main issues we're needing to fix timer to jacuzzi and clock. The rooms were huge. They needs to check the TVs as ours was loose as well as the towel bar in the bathroom. I would still stay her"
Sue 7-night trip
Posted 21 hours ago
Best Western Plus Stovall's Inn
Howard Johnson by Wyndham Anaheim Hotel and Water Playground

Howard Johnson by Wyndham Anaheim Hotel and Water Playground

10/10 Excellent
"Family friendly, walking distance to Disney"
Marcela 4-night trip
Posted 21 hours ago
Howard Johnson by Wyndham Anaheim Hotel and Water Playground

More cheap stays in Diamond Bar

Motel 6 Stanton, CA - Anaheim West

Motel 6 Stanton, CA - Anaheim West

7450 Katella Ave Stanton CA
P4,749
P5,319 total
Aug 28 - Aug 29
includes taxes & fees
Motel 6 Stanton, CA - Anaheim West
Quality Inn Placentia Anaheim Fullerton

Quality Inn Placentia Anaheim Fullerton

710 W Kimberly Ave Placentia CA
P5,770
P6,358 total
Aug 16 - Aug 17
includes taxes & fees
8.8/10 Excellent! (1,825 reviews)
Quality Inn Placentia Anaheim Fullerton
Motel 6 Anaheim Maingate

Motel 6 Anaheim Maingate

Anaheim CA
P5,457
P6,395 total
Aug 19 - Aug 20
includes taxes & fees
Motel 6 Anaheim Maingate
Extended Stay America Suites Los Angeles Monrovia

Extended Stay America Suites Los Angeles Monrovia

930 S 5th Ave Monrovia CA
P6,073
P6,813 total
Sep 13 - Sep 14
includes taxes & fees
Extended Stay America Suites Los Angeles Monrovia
Clarion Hotel Anaheim Resort

Clarion Hotel Anaheim Resort

616 W Convention Way Anaheim CA
P6,121
P7,173 total
Sep 8 - Sep 9
includes taxes & fees
8.4/10 Very Good! (2,032 reviews)
Clarion Hotel Anaheim Resort
Best Western Plus Stovall's Inn

Best Western Plus Stovall's Inn

1110 W Katella Ave Anaheim CA
P8,955
P10,478 total
Aug 31 - Sep 1
includes taxes & fees
9/10 Wonderful! (3,984 reviews)
Best Western Plus Stovall's Inn

Find out more about Diamond Bar

Top reasons to visit Diamond Bar

  • Family-Friendly Activities: Diamond Bar boasts numerous parks and attractions perfect for families, including the Diamond Bar Golf Course and local arts centres.
  • Vibrant Shopping Scene: The city offers various shopping hotspots where visitors can indulge in local cuisine and unique finds.
  • Outdoor Pursuits: With beautiful parks and recreational areas, Diamond Bar is ideal for outdoor enthusiasts looking to explore nature.
  • Comfortable Accommodation: A range of hotels and motels cater to diverse needs, ensuring a pleasant stay for all travellers.
  • Proximity to Attractions: Diamond Bar serves as a convenient base for day trips to explore Southern California's highlights.

Find great hotels near Diamond Bar

Explore a range of hotel accommodation options in Diamond Bar, California, where you can find both hotels and motels tailored to your needs. Whether you're travelling for business or leisure, many establishments offer pet-friendly services and an LGBTQIA-welcoming environment. From comfortable inns to spacious suites, Diamond Bar has the perfect lodging to ensure a delightful stay.

  • Anaheim Majestic Garden Hotel: Nestled in a serene environment, the Anaheim Majestic Garden Hotel is a charming 3.5-star hotel, ideal for families and business travellers alike. With a guest rating of 8.4 out of 10, the hotel features a whimsical garden theme, providing a peaceful retreat just 26km from Diamond Bar. Families will appreciate the dedicated children's amenities, including games and an air hockey table, ensuring that younger guests have plenty of entertainment. The property also offers a thoughtful breakfast service tailored for children, making it a delightful choice for family vacations.
  • Motel 6 Anaheim Maingate: For budget-conscious travellers seeking a pet-friendly retreat, Motel 6 Anaheim Maingate presents an excellent option. With a guest rating of 8.0 out of 10, this motel is conveniently located 26km from Diamond Bar. Its relaxed atmosphere is complemented by a pet policy that welcomes furry companions, making it a suitable choice for those travelling with pets. Guests can enjoy the straightforward amenities while experiencing a comfortable stay at an affordable price, ensuring a hassle-free visit.
  • Howard Johnson by Wyndham Anaheim Hotel and Water Playground: With a standout guest rating of 9.0 out of 10, the Howard Johnson by Wyndham Anaheim Hotel and Water Playground is an inviting option for families seeking fun-filled accommodation. Located 26km from Diamond Bar, this budget-friendly hotel boasts an exciting water playground that includes a splash pad and children's pool. Families can also benefit from free cribs and window guards, ensuring a safe environment for younger guests. This hotel seamlessly blends leisure and comfort, making it a fantastic choice for your stay.

Where to stay in Diamond Bar

Diamond Bar, California, offers a delightful blend of family-friendly activities and vibrant city life. While exploring this charming city, visitors can indulge in shopping hotspots, savour local cuisine, and experience the welcoming atmosphere. Nearby attractions provide opportunities for excursions, ensuring a memorable vacation filled with friendly faces and entertainment. Whether you're on a budget or seeking a lively adventure, Diamond Bar is a perfect base for discovering the best of Southern California.

  • Los Angeles: As a sprawling metropolis, Los Angeles is the heart of Southern California, located in close proximity to Diamond Bar. This vibrant city is renowned for its year-round appeal, with a notable influx of travellers during the summer months of July and August, as well as October. Visitors flock to Los Angeles for its family-friendly attractions, entertainment venues, and urban experiences. Highlights include iconic landmarks such as theme parks and film studios, alongside a variety of cultural experiences like theatre and live performances, offering an exciting travel experience.
  • Anaheim: Situated a mere 24km from Diamond Bar, Anaheim is a dynamic city that draws countless visitors throughout the year, with peaks in March to April and July. Known for its family-oriented attractions and rich cultural experiences, Anaheim is home to famous theme parks and entertainment hubs. The city also features inviting shopping centres and arts venues, making it an ideal location for a day of exploration. Don't miss visiting the iconic landmarks and enjoying the vibrant atmosphere that Anaheim has to offer.
  • Walnut: Located just 5km from Diamond Bar, Walnut is a charming city that offers a delightful mix of family-friendly activities and urban experiences. Visitor numbers remain steady year-round, with peaks in March to April and July. Walnut boasts convenient shopping centres and educational institutions, providing a relaxed yet engaging environment. With nearby attractions such as theme parks and symbolic landmarks, Walnut is a perfect spot for those looking to experience a slice of California life while enjoying its local charm.

Things to do near Diamond Bar

Shopping

In Diamond Bar, explore the local shops and boutiques for unique gifts and souvenirs. If you're up for a drive, visit the West Covina Plaza, about 16km away, featuring a variety of shops and dining options, or check out the nearby Brea Mall, known for its extensive selection.

Recreation

Explore the serene surroundings of the Diamond Bar Golf Club, where you can unwind with a round of golf while enjoying picturesque landscapes. For relaxation, visit the local spas offering massages and holistic treatments that rejuvenate the body and mind in a tranquil setting.

Adventure

At Glen Helen Raceway, 42km from Diamond Bar, immerse yourself in thrilling motor racing events amidst an exciting atmosphere. For a unique adventure, head to Skull Canyon Zipline, located 48km away, where you can soar through the trees and enjoy breathtaking views of the outdoors. Closer to home, In-N-Out Burger Pomona Dragstrip, 8km away, combines fast-paced racing with a classic American dining experience.

Nightlife

Experience the vibrant nightlife at The Diamond Bar Tavern where you can enjoy a lively atmosphere and a selection of beers. For a more relaxed vibe, visit The Cornerstone, offering cocktails and occasional live music, perfect for unwinding after a day of exploration.

*Distances are measured in a straight line; actual driving distances may vary depending on the route.

Booking tips and Expedia advantages for Diamond Bar

Diamond Bar, California, offers numerous free activities such as visiting the BAPS Shri Swaminarayan Mandir and exploring Ayala Park. To save on travel costs, consider visiting during off-peak months like January to February and November, with Monday being the cheapest day for accommodation. Utilise Expedia to find budget-friendly hotels by filtering for eco-certified options and arranging your hotel, flights, and activities into packages for additional savings. Public transport options like buses can also help you save on travel expenses while getting around the area.

  • The most and least expensive months on average to stay in a hotel: The cheapest months to stay in Diamond Bar are January to February and November, where the prices are slightly lower. This is in comparison to June to July and October, where prices are slightly higher.
  • The most and least expensive days on average to stay in a hotel: The least expensive day to stay in Diamond Bar is Monday. The most expensive day to stay in Diamond Bar is Saturday.
  • Find cheap hotels on Expedia: Utilise Expedia's search tool to refine your preferences based on budget, desired location, and preferred type of accommodation. For instance, selecting the Eco-certified filter will showcase sustainable and environmentally friendly hotels currently available. To locate the most affordable prices and offers, arrange the price filter from lowest to highest.
  • Consider bundling your trip: You can save money by combining your Diamond Bar hotel reservation with your flights and activities through an Expedia package.

Find the best attractions near Diamond Bar

Diamond Bar is an excellent destination for family and city-themed vacations, offering a variety of attractions such as urban parks, museums, and golf courses. Visitors can explore the Diamond Bar Center and enjoy the local parks, including the Diamond Bar Park. This vibrant area caters to those seeking outdoor activities and family-friendly experiences, making it a perfect spot for a memorable getaway.

  • BAPS Shri Swaminarayan Mandir: This stunning temple, located 11km from Diamond Bar, showcases intricate Indian architecture and offers a serene atmosphere for reflection. Visitors can immerse themselves in the rich cultural vibes, admire the craftsmanship, and participate in spiritual activities.
  • Phillips Mansion: Just 3km away, Phillips Mansion serves as a historical museum, where guests can explore the heritage of the region. The mansion's architecture and exhibits provide insights into local history, complemented by its charming gardens.
  • Graber Olive House: Situated 16km from Diamond Bar, Graber Olive House is a historic site known for its olive production. Guests can learn about the traditional methods of olive curing and enjoy tastings of their renowned products in a picturesque setting.

Best time to go to Diamond Bar

The best time to visit Diamond Bar is dependent on what kind of holiday you are seeking. August is its hottest month on average. At this time, visitor numbers are average and weather is sunny with no rain. December is its coolest month on average. At this time, visitor numbers are slightly low and weather is sunny with light rain.

calendar iconCalendar Monthtemperature iconTemperaturerain iconPrecipitationmostly cloudy iconCloudinessoccupation rate iconOccupancyprice iconPricing
January54.9°F (12.7°C)Light RainSunnyAverageSlightly Low
February55.2°F (12.9°C)Light RainSunnyAverageSlightly Low
March57.7°F (14.3°C)Light RainSunnySlightly HighAverage
April62.2°F (16.8°C)No RainSunnySlightly HighAverage
May65.3°F (18.5°C)No RainSunnyAverageAverage
June71.1°F (21.7°C)No RainSunnyAverageSlightly High
July76.5°F (24.7°C)No RainSunnySlightly HighSlightly High
August77.7°F (25.4°C)No RainSunnyAverageAverage
September75.9°F (24.4°C)No RainSunnyAverageAverage
October69.1°F (20.6°C)No RainSunnySlightly LowSlightly High
November61.2°F (16.2°C)No RainSunnySlightly LowSlightly Low
December54.3°F (12.4°C)Light RainSunnySlightly LowAverage

The nearest major airports for your trip to Diamond Bar

Flying into Diamond Bar, California, is convenient with three major airports nearby. Los Angeles International Airport (LAX) is approximately 55km away, with luxury hotel options like the 5-star FairmONT Miramar, 13km from LAX, and The Ritz-Carlton, 6km from the airport. Orange County's John Wayne Airport (SNA) is about 39km from Diamond Bar, featuring hotels such as the 5-star Resort at Pelican Hill, 10km away. Ontario International Airport (ONT) is the closest, situated 21km from Diamond Bar, with nearby accommodations like the 4-star DoubleTree by Hilton Ontario Airport, just 2km from ONT.

Frequently asked questions

Where is the best place for a stay in Diamond Bar?
Located 17 mi (27.3 km) from the heart of Diamond Bar, Hilton Anaheim is a top choice for your stay based on our traveler data. Other good options for your visit to the area are Anaheim Majestic Garden Hotel and Clementine Hotel & Suites Anaheim. See all available top hotels, or vacation rentals in Diamond Bar.
If I need to cancel my hotel reservation in Diamond Bar, will I receive a refund?
Yes! Most hotel bookings are fully refundable provided that you cancel before the hotel's cancellation deadline, which is often 24 or 48 hours before the scheduled arrival. If you have a reservation that's non-refundable, you may still be able to cancel and be given a refund within 24 hours of your booking. Filter your search by fully refundable to find flexible hotel deals in Diamond Bar.
What's the best accommodation for a family vacation in Diamond Bar?
Ayres Suites Diamond Bar is a hotel with an outdoor pool and free parking, and it's a top choice on Expedia for families. Attractions in the area like Disneyland® Resort and Disney California Adventure® Park are also fun for kids of all ages. Find more child-friendly accommodations in Diamond Bar.
What is the top LGBTQ-friendly accommodation in Diamond Bar?
Holiday Inn Diamond Bar - Pomona by IHG is a top LGBTQ-friendly hotel, and features a full-service spa and free WiFi. See all available hotels listed as LGBTQ-friendly in Diamond Bar.
What are some hotels with pools in Diamond Bar?
Best Western Diamond Bar Hotel & Suites is a top hotel with a pool, free buffet breakfast, and free WiFi. View all hotels with pools in Diamond Bar.
What is the best spa hotel in Diamond Bar?
Holiday Inn Diamond Bar - Pomona by IHG is a top spa hotel featuring a fitness center, a bar, an outdoor pool, and a restaurant. Why not spend some time relaxing in the hot tub? See all spa hotels in Diamond Bar.
What's it like to stay in Diamond Bar?
Families will find kid-friendly activities in Diamond Bar, and visitors give high marks for the top-notch restaurants. This city also attracts tourists with its bars and shopping. Top sights around the area include Disneyland® Resort, Disney California Adventure® Park, and Knott's Berry Farm. In Diamond Bar, there are 21 hotels and other accommodations to choose from. Find out more about Diamond Bar.
What should I see while I'm in Diamond Bar?
A favorite place to visit is Steep Canyon Trailhead. You'll also find Disneyland® Resort and Disney California Adventure® Park in the area. Check out what more to see and do in Expedia's Diamond Bar guide.
What's the seasonal weather like in Diamond Bar?
The hottest months are usually August and July with an average temp of 75°F, while the coldest months are February and December with an average of 56°F. Average annual precipitation for Diamond Bar is 14 inches.

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