Geography According to the United States Census Bureau, the city has a total area of , of which is land and is water. The city is considered to be part of the Thumb area of East-Central Michigan, also called the Blue Water Area. The easternmost point (on land) of Michigan can be found in Port Huron, near the site of the Municipal Office Center and the wastewater treatment plant. The Black River divides the city in half, snaking through Port Huron and emptying into the St. Clair River near Downtown.
Geography According to the United States Census Bureau, the city has a total area of  of which is land and is water. The city is considered to be part of the Thumb area of East-Central Michigan, also called the Blue Water Area. The easternmost point (on land) of Michigan can be found in Port Huron, near the site of the Municipal Office Center and the wastewater treatment plant. The Black River divides the city in half snaking through Port Huron and emptying into the St Clair River near Downtown.