The Black River is a river in Thurston County in the U.S. state of Washington. "Riverine" redirects here For the use of that term in Maritime geography, see there Thurston County is a County located in the US state of Washington. A US state is any one of the fifty subnational entities of the United States of America that share Sovereignty with the federal government Washington ( is a state in the Pacific Northwest region of the United States. Its source is Black Lake, located about 3 miles (5 km) west of Tumwater. Tumwater is a city in Thurston County, Washington, United States. The river flows generally south, through the Mima Mounds State Natural Area, then southwest, passing by Rochester and entering Grays Harbor County, then emptying into the Chehalis River in the Chehalis Indian Reservation. Mima mounds (ˈmaɪmə "my-muh" also known as Hogwallows, are mounds of Soil some meters tall that occur in various places in the world Rochester is a Census-designated place (CDP in Thurston County, Washington, United States. Grays Harbor County is a county of Washington State, in the United States of America. The Chehalis River is a River in Washington in the United States. Chehalis (tribe is a group of Native American peoples from western Washington state in the United States. [1]
The Black River Unit of the Nisqually National Wildlife Refuge extends about 5 miles (8 km) along the river immediately south of Black Lake. The Nisqually National Wildlife Refuge is a wildlife preserve operated by the United States Fish and Wildlife Service on the Nisqually River Delta near Puget