8955 Foothill Blvd, Rancho Cucamonga CA 91730
Most definitely in California classic! If you have not been to any In and Out restaurant you need to try it before you leave. May I suggest double double with grilled onions, french fries animal style and a Neapolitan Shake.
12599 Foothill Blvd, Rancho Cucamonga CA 91739
All I have to say is 3x3 animal style with a neopaltine shake <3 pretty good and fast drive thro for the huge line