The
Town of Grand Valley (formerly
The Township of East Luther Grand Valley) is a
township in the
Canadian province of
Ontario, composed of the former Township of East Luther and the former Village of Grand Valley. The township is located within
Dufferin County, and includes part of the Luther Marsh. The marsh covers over 10,000 acres (40 km²) including Luther Lake. The Grand River is one of the major sites in the town.