Hayes Creek is a small river in San Francisco, California, that has been largely

culvert A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe, reinforced concrete or other material. In the United Kingdom ...

ed. The only remaining portion above ground is in the

Mission Creek Channel Mission Creek (from Spanish: ''misión'') is a river in San Francisco, California. Once navigable from the Mission Bay inland to the vicinity of Mission Dolores, where several smaller creeks converged to form it, Mission Creek has long since been ...

that drains into

China Basin San Francisco, in the US state of California, has both major, well-known neighborhoods and districts as well as smaller, specific subsections and developments. While there is considerable fluidity among the sources, one guidebook identifies five m ...

.Museum of California
Watershed map, access date December 31, 2008

Notes

Rivers of San Francisco Subterranean rivers of the United States Rivers of Northern California Tributaries of San Francisco Bay {{California-river-stub