Bothin Marsh is a half acre (.2 hectare) wetlands in Marin County, California

Marin County, California

Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...

. Parts of the wetlands are in Bothin Marsh Open Space Preserve, a regional park.

Natural history

The marsh, positioned at the northern arm of Richardson Bay

Richardson Bay

Richardson Bay is a shallow, ecologically rich arm of San Francisco Bay, managed under a Joint Powers Agency of four Northern California cities. The Richardson Bay Sanctuary was acquired in the early 1960s by the National Audubon Society. The bay was named for William A...

 is fed by Mill Creek

Mill Creek (Marin County)

Mill Creek is a stream in Marin County, California that is tributary to Richardson Bay. It discharges to Bothin Marsh within a northern arm of Richardson Bay. The stream is also known by the earlier name Old Mill Creek. The upper portions of the stream are associated with the Dipsea...

. Bothin Marsh is situated not far from Triangle Marsh

Triangle Marsh

Triangle Marsh is a wetland of the San Francisco Bay situated at the base of Ring Mountain at the north end of the Tiburon Peninsula in Marin County, California, USA....

, although the latter is situated on the northern edge of the Tiburon Peninsula

Tiburon Peninsula

The Tiburon Peninsula , or simply "the Tiburon", is a region of Haiti encompassing all of Haiti's southern coast. It starts roughly at the southernmost of the Haiti-Dominican Republic border and extends westward near Cuba, forming a large headland. Four of Haiti's ten departments are located...

. It is likely that Native American

Indigenous peoples of the Americas

The indigenous peoples of the Americas are the pre-Columbian inhabitants of North and South America, their descendants and other ethnic groups who are identified with those peoples. Indigenous peoples are known in Canada as Aboriginal peoples, and in the United States as Native Americans...

s gathered estuarine resources from Bothin Marsh, as they did from nearby Triangle Marsh

Triangle Marsh

Triangle Marsh is a wetland of the San Francisco Bay situated at the base of Ring Mountain at the north end of the Tiburon Peninsula in Marin County, California, USA....

.