Welcome to
In-N-Out Burger

Ontario CA - 2235 Mountain Ave., 91761

Number One with Onions
In-N-Out Burger - Ontario, CA, 2235 Mountain Ave..

Welcome to our restaurant in Ontario, CA.
At In-N-Out Burger we use only the freshest ingredients with no heat lamps, freezers or microwaves to deliver on our promise of Quality You Can Taste®.

Restaurant Details

Drive-thru and Dine-in Seating Available

Directions

On Mountain N of 60 Fwy

Get Driving Directions

Today's Hours

10:30 a.m. - 1:00 a.m.

Normal Hours of Operation

Sunday - Thursday 10:30 a.m. - 1:00 a.m.
Friday - Saturday 10:30 a.m. - 1:30 a.m.



Double-Double Burger View Our Menu

Other Nearby Locations

  • Chino

    3927 Grand Ave.
    Chino, CA 91710
    3.79 miles away
    Drive-thru and Dine-in Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.

  • Ontario

    1891 E. G Street
    Ontario, CA 91764
    4.1 miles away
    Drive-thru and Patio Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.

  • Pomona

    1851 Indian Hill Blvd.
    Pomona, CA 91767
    4.31 miles away
    Drive-thru and Patio Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.

  • Pomona

    2505 Garey Ave.
    Pomona, CA 91766
    4.71 miles away
    Drive-thru and Patio Seating Available
    Today's hours:
    10:30 a.m. - 1:00 a.m.