The main campus of Casa Colina is located in Pomona, California, about 40 miles due east of downtown Los Angeles on the San Bernardino Freeway, Interstate-10. Take the Garey Avenue off-ramp and turn north, toward the mountains. After crossing Arrow Highway and the railroad tracks, you will come to Bonita Avenue. Turn right on Bonita and look for the Casa Colina sign on your left at 255 East Bonita Avenue.
Note that the new section of the 210 Freeway is now open. Coming from the east (San Bernardino), take the Towne Avenue off-ramp, turn left onto Towne Avenue, proceed to Bonita Avenue and turn right onto Bonita. Casa Colina will be on your right. Coming from the west (Pasadena), take the Fruit Street off-ramp, turn right onto Fruit Street. As you cross Foothill, Fruit Street changes its name to White Avenue. Proceed to Bonita Avenue, turn left onto Bonita and Casa Colina will be on your left after you cross Garey Avenue.