Long Lake (Lanark County)
Long Lake is a lake in eastern Ontario, Canada in the municipality of Tay Valley in Lanark County.
The lake is nearly 3 km long and about 600m wide at its widest.
Long Lake is fed by a number of small tributaries leading to intermittent lakes. It is drained by an unnamed creek leading to Adams Lake. Long Lake has five islands, the largest being Farry Island.
The lake has a number of cottages lining the northern and southeastern shores. The nearest community is Stanleyville, 5 km west of the lake.