Sixth Lake is located near Inlet, New York.

It is part of the Fulton Chain Lakes.

The inlet is connected to Seventh Lake by a channel and the outlet is connected to Fifth Lake by a creek.

Fish species present in the lake are brown trout, lake whitefish, lake trout, smelt, splake, rainbow trout, white sucker, black bullhead, yellow perch, and pumpkinseed sunfish.

There is access via a channel from Seventh Lake.