Mephisto Lake

Mephisto Lake is a lake in the Trent River and Lake Ontario drainage basins. It is located in the geographic township of Cashel, in the township municipality of Tudor and Cashel, Hastings County, Ontario, Canada, about 5 km north of the rural community of Gunter and 25 km southeast of the town of Bancroft.

The lake is about 3.1 km long and 1.7 km and lies at an elevation of 313 m. The primary inflow is Mephisto Creek at the northeast. There are also four unnamed creek inflows: one at the north from Mawson Lake, one at the east, and two at the south, one of which comes from the direction of Cashel Lake. The primary outflow is a channel to Dark Lake, which flows via Dixon Creek, Beaver Creek, the Crowe River and the Trent River to the Bay of Quinte on Lake Ontario at Trenton.