Beginning in an undeveloped portion of land just west of Highway 78, Calavera Creek begins in Vista, proceeds through a pocket of the County of San Diego, travels through Oceanside and then drains to Calavera Lake in Carlsbad. The Creek is located in the southeastern corner of Oceanside near Lake Boulevard and travels through Oak Riparian Park. Calavera Creek is a tributary to Agua Hedionda Creek. opens up into a lagoon near the Pacific Ocean. The Calavera Creek subwatershed is approximately 3,770 acres and is part of the larger Agua Hedionda watershed, a sub-basin of the Carlsbad Hydrologic Unit.
Along the banks of Calavera Creek in the City of Oceanside is extensive growth of cattails, bulrush, coast live oak, chaparral, and arroyo willows. No endangered species have been identified within the area of Calavera Creek that flows through Oceanside. However, as a whole, Calavera Creek does serve as a wildlife corridor for migratory species.
Upstream of Oak Riparian Park are residential neighborhoods that have the potential to contribute pollutants from urban runoff into the creek. There is no federal-or state-listed pollutant impacts to the creek as of 2011.
Recreational Activities: Picnicking, walking, biking, bird watching
Public Access: From Oak Riparian Park located off of Lake Boulevard near Ridge Road.; Also via a public utility easement from Cannon Road between Nighthawk Way and Mystra Way.