The tributaries are as follows: Appian Creek, Baden Creek, Barn Creek, Bear Creek, Big Oak Creek, Briones Reservoir, Cascade Creek, Castro Creek, Coal Mine Creek, Clark Creek, Dutra Creek, El Toyonal Creek, Greenridge Creek, Inspiration Creek, Kennedy Creek, La Colina Creek, Lauterwasser Creek, Leastrot Creek, Lila Creek, Miner Creek, Newell Creek, Oak Creek, Oursan Creek, Overhill Creek, Rose Creek, Russel Creek, San Pablo Reservoir, Sather Creek, Schoolhouse Creek, Siesta Valley Creek, Tarry Creek, Tin House Creek, Wagner Creek, Wilkie Creek and Wire Ranch Creek.