The Trent River is a river in southeastern Ontario which flows from Rice Lake to empty into the Bay of Quinte on Lake Ontario. This river is part of the Trent-Severn Waterway which leads to Georgian Bay. The river is long. The Trent drains a large portion of south-central Ontario, including most of the Kawartha Lakes and their supplying watersheds.

The Municipality of Trent Hills is a town in central-eastern Ontario, Canada, in northeast Northumberland County on the Trent River. It was created in 2001 through the amalgamation of the municipalities of Campbellford/Seymour, Percy and Hastings. Thereafter it was briefly known as Campbellford/Seymour, Percy, Hastings.