You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Santa Ana Mountains, San Mateo Canyon, along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Sitton Peak 7.5' quad. Remove constraint Place: Santa Ana Mountains, San Mateo Canyon, along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Sitton Peak 7.5' quad.