Ganaraska Region is a region located in Ontario, Canada, stretching along the shore of Lake Ontario for approximately 45 kilometres (28 mi) and about 15 kilometres (9.3 mi) wide.
It contains watersheds, covering an area of 700 square kilometres (270 sq mi) from Wilmot Creek in Clarington to eastside of Cobourg and from the southern shore of Rice Lake down to Lake Ontario.
This expansive area includes seven municipalities in whole or in part: Township of Cavan Monaghan, Town of Cobourg, Township of Alnwick/Haldimand, Township of Hamilton, Municipality of Port Hope, City of Kawartha Lakes, Municipality of Clarington.
The Ganaraska Forest is southern Ontario's largest continuous block of forest, consisting of 11,000 acres (45 km2).
[1] It is located between Northumberland County, Peterborough County, The City of Kawartha Lakes, and The Region of Durham.