Ballona Creek

Ballona Creek is an 8.8-mile-long urbanized river in southwestern Los Angeles County, California, whose watershed includes a portion of the western Los Angeles basin, from the Santa Monica Mountains on the north, the Harbor Freeway on the east, and the Baldwin Hills on the south.

The urban river begins in the historical Rancho Las Cienegas, then passes into the historical Rancho La Ballona, while flowing through Culver City and suburbaninzed Del Rey before merging with the ocean at Santa Monica Bay between Marina del Rey and suburban Playa del Rey.

Wikipedia