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Mountain Inn

Property class: 2

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Photo gallery for Mountain Inn

A sign for Mountain Inn advertising free Wi-Fi, free cable, and free continental breakfast. - Mountain Inn (Ontario)
A living room with a sofa, a chair, a coffee table, a kitchen area with a refrigerator, and a painting on the wall. - Mountain Inn (Ontario)
A multi-level building with a central staircase, metal railings, and a large plant in the center. - Mountain Inn (Ontario)
A reception desk with a wooden panel, a fire alarm, a smoke detector, and a sign indicating the manager on duty. - Mountain Inn (Ontario)
A bedroom with a bed, a dresser, a nightstand, and a door leading to another room. - Mountain Inn (Ontario)
Located close to Ontario Convention Center, Mountain Inn has plenty to offer. Stay connected with free in-room WiFi.

Reviews

7.0 out of 10
Good

Popular amenities

  • Pool
  • Parking included
  • Free WiFi
  • Air conditioning
  • Housekeeping
  • 24/7 front desk

Room options

Available filters for rooms
Showing 4 of 4 rooms

View all photos for Standard Single Room, 1 King Bed, Non Smoking

A bedroom with a bed, a nightstand, a window with curtains, and a wall-mounted heater.

Standard Single Room, 1 King Bed, Non Smoking

7.4 out of 10
Good
(8 reviews)
  • 1 bedroom
  • Sleeps 3
  • 1 King Bed

View all photos for Standard Single Room, 1 King Bed, Smoking

A bedroom with a bed, a nightstand, a window with curtains, and a wall-mounted heater.

Standard Single Room, 1 King Bed, Smoking

8.6 out of 10
Excellent
(4 reviews)
  • 1 bedroom
  • Sleeps 3
  • 1 King Bed

View all photos for Standard Single Room, 1 King Bed, Roll-in Shower, Non Smoking

A bedroom with a bed, a nightstand, a window with curtains, and a wall-mounted heater.

Standard Single Room, 1 King Bed, Roll-in Shower, Non Smoking

  • 1 bedroom
  • Sleeps 3
  • 1 King Bed

View all photos for Standard Single Room, 2 Queen Beds, Non Smoking

A hotel room with two beds, a nightstand, a lamp, and a window with curtains.

Standard Single Room, 2 Queen Beds, Non Smoking

  • 1 bedroom
  • Sleeps 4
  • 2 Queen Beds

About the neighborhood

Located in Ontario, Mountain Inn is in a shopping district and near the airport. Ontario Mills Shopping Mall and Victoria Gardens are worth checking out if shopping is on the agenda, while those wishing to experience the area's popular attractions can visit Ontario Convention Center. Ready for a night out? Consider Flyway and The Fox Theater Pomona. Spend some time exploring the area's activities, including winery tours. Visit our Ontario travel guide
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Map
2289 South Mountain Avenue, Ontario, CA, 91762

What's nearby

  • An indoor ice hockey rink with a crowd of spectators.
    Honda Center
    35 min drive - 29.0 miles
  • A water park area with a water slide, pool, and lounge chairs.
    Disneyland® Resort
    42 min drive - 32.0 miles
  • A concert with a band performing on stage, a crowd of people, and stage lighting.
    Downtown Disney® District
    42 min drive - 32.0 miles
  • A theme park with roller coasters, a tall tower, and a water ride.
    Knott's Berry Farm
    43 min drive - 34.7 miles
  • Cinemark Chino Movies 8
    2 min drive - 1.2 miles

Getting around

  • Claremont Station
    11 min drive
  • Ontario Intl. Airport (ONT)
    26 min drive

Restaurants

  • In-N-Out Burger
    2 min walk
  • Northgate Market
    17 min walk
  • Starbucks
    2 min walk
  • McDonald's
    2 min drive
  • Starbucks
    18 min walk

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Property amenities

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • Free uncovered self parking on site

Food and drink

  • Coffee and tea in common areas

Things to do

  • Outdoor pool

Family friendly

  • In-room refrigerator
  • Outdoor pool

Conveniences

  • 24-hour front desk
  • Vending machine

Guest services

  • Housekeeping (daily)

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Low-height counter and sink
  • No elevator
  • Well-lit path to entrance
  • Wheelchair accessibility
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible registration desk

More

  • 2 floors
  • Designated smoking areas

Room amenities

Bedroom

  • Bed sheets provided

Bathroom

  • Free toiletries
  • Hair dryer
  • Private bathroom
  • Shower/bathtub combination
  • Towels provided

Entertainment

  • 43-inch TV with satellite premium channels

Food and drink

  • Refrigerator

More

  • Air conditioning (climate-controlled)
  • Phone

Policies

Check-in

Check-in start time: 3 PM; Check-in end time: midnight
Minimum check-in age: 18

Check-out

Check-out before 11 AM
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
Information provided by the property may be translated using automated translation tools

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

  • American Express
  • Discover
  • Mastercard
  • Visa

Important information

Fees

You'll be asked to pay the following charges at the property. Fees may include applicable taxes:

  • Deposit: USD 20 per person, per stay

We have included all charges provided to us by the property.

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
The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation
This property accepts credit cards
Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, and window guards

We should mention

This property does not have elevators
This property's policy is to refuse certain bookings for the purpose of group events or parties, including pre-wedding stag/bachelor and hen/bachelorette parties

Frequently asked questions

Does Mountain Inn have a pool?

Yes, this property has an outdoor pool.

Is Mountain Inn pet-friendly?

No, pets are not allowed at this property.

How much is parking?

Self parking is free at this property.

What time is check-in at Mountain Inn?

Check-in start time: 3 PM; Check-in end time: midnight.

What time is check-out at Mountain Inn?

Check-out is at 11 AM.

Where is Mountain Inn located?

Situated near the airport, this motel is 1.1 mi (1.8 km) from Cinemark Chino Movies 8 and within 6 mi (10 km) of Ayala Park and Museum of History and Art. Regal Edwards Ontario Mountain Village and Kindred Hospital Ontario are also within 6 mi (10 km).

Can I cancel my reservation for free and receive a full refund?

Yes, this property offers free cancellation on select room rates, because flexibility matters! Please refer to the property cancellation policy on our site for more details about any exclusions or requirements.

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Reviews

Mountain Inn Reviews

7.0

Good

7.0

Cleanliness

7.6

Location

7.0

Staff & service

6.6

Property conditions & facilities
Rating 10 - Excellent. 156 out of 452 reviews
Rating 8 - Good. 95 out of 452 reviews
Rating 6 - Okay. 74 out of 452 reviews
Rating 4 - Poor. 50 out of 452 reviews
Rating 2 - Terrible. 77 out of 452 reviews

Reviews

Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Clean room good staff
Stayed 2 nights in Oct 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very quiet..nearby shopping center
Stayed 1 night in Apr 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
A lot of people told me not to rent here. And I decided to rent a room for one night. And let me tell you those people were wrong. I loved the room. I loved the staff. I loved the quietness. I love the privacy. It’s an amazing place I highly recommend this place. Don’t always believe what you hear. Go see it for yourself. The owner is a little straight, but he has to be because people intend to take advantage. So rent here for a peaceful pleasent stay.
Stayed 1 night in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very nice property. Nice manger.in good safe area .around alot od stores and food areas.will back.
Stayed 2 nights in Feb 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Easy to check in and quiet.
Stayed 1 night in Jul 2025
Verified review

10/10 Excellent

Liked: Cleanliness, amenities
Ppl there were amazing never been somewhere where they so willing to help you out
Stayed 1 night in Feb 2026
Verified review

8/10 Good

Liked: Amenities
Fast check in and great service...
Stayed 4 nights in Jun 2024
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Quick check in and house keeping was the best.
Stayed 2 nights in Mar 2025
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort

Wonderland in a hotel

It was very clean, extremely helpful staff, and was just a wonderful overall time....
Stayed 1 night in Mar 2025
Verified review

6/10 Okay

Disliked: Staff & service, amenities
Offer nice breakfast
Stayed 1 night in May 2024
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, property conditions & facilities
Very nice owners and quite clean
Stayed 2 nights in Aug 2024
Verified review

4/10 Poor

Liked: Staff & service
Disliked: Cleanliness, property conditions & facilities
I would not stay there again. Staff helpful
Verified review

6/10 Okay

Liked: Cleanliness, amenities, property conditions & facilities
Disliked: Staff & service
Been here before , conveniently right across from el pescador restaurant. Can walk across eat and drink and walk back . This time however we got there around 3 to check in and there was no one there . Waited for around 15 minutes. Came back around 5:40? Still nieve there and the note I left behind was still there . Finally someone got there around 6pm to check me in .
Stayed 1 night in Aug 2024
Verified review

2/10 Terrible

Disliked: Cleanliness, staff & service, amenities, property conditions & facilities
hot water off, on took 20 mins to warm,no coffee or continental breakfast nothing! They said no break. because since covid they weren't allowed, a law. That's a lie! No such law! Tv-electronic box hanging out from under tv that was on wall. $20 cash demanded held til return of door key. electric plate turn-on light cracked & broken off by sink-shock potential! shower equip.hanging barely attatched. They had already taken our credit card and submitted the cost. Got their money and we were told there was NO refund. We paid a total of $167.54 For Crap! Good- heater worked and bed was comfortable. One more thing! To get entry door open you had to bodyslam it! We feel totally ripped-off! I'd dump them!!
Stayed 2 nights in Dec 2023
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Extremely accommodating
Stayed 1 night in Sep 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Anything was better than expected for that cheap price.
Stayed 1 night in Sep 2026
Verified review

10/10 Excellent

Liked: Staff & service
Disliked: Property conditions & facilities
đź‘Ť
Stayed 5 nights in Sep 2026
Verified review

4/10 Poor

Disliked: Amenities, property conditions & facilities
Good price
Stayed 1 night in Aug 2026
Verified review

2/10 Terrible

Disliked: Cleanliness, staff & service, amenities, property conditions & facilities
This hotel has Roaches. Not 2 or maybe 3. No literally crawling on the walls and mostly in the restroom. Checked out that room a day early because a roach got into the microwave. That was the last straw. Never again.
Stayed 3 nights in Oct 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities
I slept
Stayed 1 night in Aug 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, property conditions & facilities
Clean rooms no problem inside
Stayed 4 nights in Aug 2026
Verified review

10/10 Excellent

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
113% worth
Stayed 1 night in Sep 2026
Verified review

8/10 Good

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
U
Stayed 1 night in Sep 2026
Verified review

2/10 Terrible

Liked: Staff & service
Disliked: Cleanliness, amenities, property conditions & facilities
Roaches and very hot room was dirty no towels or wasn’t cleans had things left from previous guest. Tv didn’t work, star was great though.
Stayed 1 night in Sep 2026
Verified review

4/10 Poor

Disliked: Cleanliness, amenities, property conditions & facilities
The room was spot cleaned, but carpeted floor was sticky. roaches, crickets, and ants were everywhere... bedding was mostly clean, but there were visible stains on mattress and parts of the blanket. air conditioning worked, hot water, and fridge working fine! wifi was almost completely useless, would drop for hours of the day, also cut off multiple days early, but was extended with little to no issue. loud construction throughout the night on the property, which surely will be over soon enough, but noteworthy. continental breakfast is advertised but there is none, and TV remote didnt work at all. desk and dressers were present but the drawers were horrifically dirty inside..
Stayed 17 nights in Oct 2026