Anstruther Lake is a lake in the township of North Kawartha, Ontario, Canada,
Fishing: Large and Small Mouth Bass, Lake Trout
Anstruther Lake sits between the community of Apsley on Ontario Highway 28 8.5 kilometres (5.3 mi) to the east and the community of Catchacoma on Ontario Highway 507 8.5 kilometres (5.3 mi) to the west. Kawartha Highlands Provincial Park encompasses the lake, and the community of Anstruther Lake is on the southern shore. The lake flows out via Anstruther Creek, and the Mississaugua, Otonabee and Trent rivers into Lake Ontario.