Weeks Creek is a small creek tributary to La Honda Creek

La Honda Creek

La Honda Creek is a small river in San Mateo County, California and is a tributary of San Gregorio Creek.It flows about , from its source near Bear Gulch Road and Skyline Boulevard , to its confluence with Alpine Creek to form San Gregorio Creek in La Honda.California State Route 84 follows the...

, which in turn is tributary to San Gregorio Creek

San Gregorio Creek

San Gregorio Creek is a river in San Mateo County, California. Its tributaries originate on the western ridges of the Santa Cruz Mountains whence it courses southwest through steep forested canyons...

 in western San Mateo County, California

San Mateo County, California

San Mateo County is a county located in the San Francisco Bay Area of the U.S. state of California. It covers most of the San Francisco Peninsula just south of San Francisco, and north of Santa Clara County. San Francisco International Airport is located at the northern end of the county, and...

. San Gregorio Creek drains to the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 at San Gregorio State Beach

San Gregorio State Beach

San Gregorio State Beach is a beach near San Gregorio, California, USA, south of Half Moon Bay. Part of the California State Park System, the beach lies just west of the intersection of State Route 1 and State Route 84...

. The San Gregorio Creek watershed supports several species listed under the federal and State of California Endangered Species Acts. These species include -- coho salmon, steelhead trout, Tidewater Goby, San Francisco Garter Snake, and California Red-legged frog.

There is another Weeks Creek in the Pescadero Creek watershed of western San Mateo County.