Grand River Valley

Grand River Valley is a valley surrounding rivers of that name in North America.

One is in Canada:
 * Grand River (Ontario)

The remaining are in the United States:
 * Grand River (Michigan)
 * Grand River (Ohio)
 * Grand River Valley AVA, Ohio wine region
 * Grand River (Wisconsin)
 * Grand River (Missouri), in Iowa and Missouri
 * Grand River (South Dakota), in North Dakota and South Dakota