Canyon lies north and west of the central campus. It is the watershed of Stenner
Creek, which runs parallel to Brizziolari Creek, down the slopes of Cuesta ridge,
through the old Serrano Ranch, the Kirshner property, the gorge spanned the Union
Pacific railroad trestle, through Cal Poly's agricultural area and eventually
ends at a confluence with San Luis Obispo Creek near the Marsh St. interchange
of Highway 101.