Walker Canyon, Natural canyon in Lake Elsinore, California, US.

Walker Canyon is a canyon near Lake Elsinore that features rocky slopes and diverse vegetation of desert sage and chaparral shrubs. The terrain is crossed by a drainage system that carries water during the wetter months.

Walker Canyon lies in the Temescal Mountains, dividing Alberhill Summit on the west from the rest of the range to the east. Temescal Creek flows north through the canyon from its source in Warm Springs Valley at 33°42′33″N 117°21′43″W into the upper Temescal Valley near Alberhill. Gavilan Wash joins the canyon midway along its length, and Alberhill Canyon meets it at its mouth. Interstate 15 passes through the canyon on the east side of Temescal Creek between Temescal Valley and Warm Springs Valley, near Lake Elsinore.

The canyon serves as a protected environment for 34 native species through the Multiple Species Habitat Conservation Plan managed by regional authorities.

Interstate 15 crosses the canyon between Temescal Valley and Warm Springs Valley, running along the east side of Temescal Creek. Gavilan Wash meets the canyon about midway along its length, and Alberhill Canyon joins it at the mouth. The canyon lies in the Temescal Mountains near Alberhill and Lake Elsinore.

Interstate 15 runs through Walker Canyon between Temescal Valley and Warm Springs Valley, on the east side of Temescal Creek. Gavilan Wash joins the canyon about midway along its length, and Alberhill Canyon meets it at the mouth. The canyon separates Alberhill Summit, on the west, from the rest of the Temescal Mountains.