If on the Loop 101 (Pima Freeway), take the McDowell Road exit. Head west on McDowell Road for 1.5 miles until 77th Street is reached (77th Street is just west of Hayden Road). Turn north (right) on 77th Street. El Dorado Park is present on the west (left) side of 77th Street, where several noticable parking lots are found on the west side of 77 Street.