It begins from near Tulare at Route 137, runs north through the city of Visalia and the towns of Cutler and Orosi, before ending 8 miles (13 km) north of Orange Cove, where it reaches its northern terminus at Route 180, roughly 2 and 1/2 miles southwest of the town of Yokuts Valley.

It travels due north as Mooney Boulevard before leaving the Tulare city limits.

[2] SR 63 continues north as Road 124, intersecting CR J34 and passing by Sequoia Field Airport.

SR 63 continues through Cutler and Orosi before intersecting CR J19 and traveling west on Avenue 460 for two blocks before continuing north at the city of Orange Cove as Hills Valley Road.

[7] Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage.