The Detroit River is a channel about 51 km long and 1 to 4 km wide in the [St. Lawrence Seaway]
?. Its elevation
? is 175 meters above [sea level]
?. Islands in the Detroit River include Belle Isle, Zug Island, Fighting Island, Grosse Ile, and Bois Blanc (a. k. a. Boblo) Island. The boundary between
Canada and the
United States of America passes through the river lengthwise. It connects [Lake St. Clair]
? to
Lake Erie. It is spanned by a bridge and two tunnels connecting
Detroit,
Michigan and Windsor
?,
Ontario.