Exit Highway 99, and head east on Dillard Road.
From the exit, Valensin Ranch once extended about two miles west, one mile south, and four miles northeast. A resident pair of red-tailed hawks often perch in the trees on your left, along the power lines, or atop the on-ramp lights.
Throughout the ranch and its adjacent lands, migrant Swainson's hawks appear to outnumber other raptor varieties during their breeding season in the spring and summer. Numerous Swainson's hawk nest sites have been documented on the ranch.
After passing a private property on your right, there is an old dairy site
on the left. This property is part of theCostello/Cantrell Ranch, extending north to the river and containing valuable oak woodland, riparian forest, and agricultural land. This land was proposed to be a golf course, but The Nature Conservancy purchased it in 1998.