Little Tupper Lake is a 2,300-acre lake located in the town of Long Lake, Hamilton County, New York by Whitney Headquarters, New York.

It is located in the 19,500-acre William C. Whitney Wilderness Area.

[3] Of the 100 largest lakes in the park, it is one of only five which are free of motorboats, jetskis, and floatplanes, including Lows, Lake Lila, Round, and Saint Regis Pond.

[4] Fish species present in the lake are bass and sunfish; until 2000 it was stocked with a heritage species of brook trout.

There is hand launch available at Whitney Headquarters.