Buckhorn Lake (Ontario)
 Buckhorn Lake is a lake in the townships of Trent Lakes and Selwyn in Peterborough County Ontario Canada and is one of the Kawartha lakes.The primary inflow is from Pigeon Lake through the Gannon Narrows at the west. Secondary inflows are from Chemong Lake through the Harrington Narrows to Harrington Bay at the south and from Sandy Lake via Sandy Creek to Sandy Creek Bay at the south.