Largest lakes & reservoirs in Finger Lakes Region, NY by water volume
The estimated volume of water that a lake contains is measured at the lake’s normal elevation. By this measure, the world’s largest freshwater lake is Siberia’s Lake Baikal.Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet. 1 acre-foot is equal to 325,851 US gallons. Siberia’s Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater – nearly 1 million gallons for every living person on earth.
The other – and more widely used – measure of a lake’s size is the lake’s surface acreage. By that measure, the world’s largest freshwater lake is North America’s Lake Superior.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
You can find many of the the world’s largest lakes (by water volume) on LakeLubbers. Note: For some lakes, the water volume data is unknown or does not apply, so you may see fewer lakes than the total 17 articles we have published for Finger Lakes Region, NY lakes.
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Below are lakes within USA > US Mid-Atlantic Region > New York > Finger Lakes Region, NY > Compared by water volume. This list does not represent all lakes in Finger Lakes Region, NY, only the 17 Finger Lakes Region, NY lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Lake Ontario (Canada, Finger Lakes Region, NY, Great Lakes of North America, Greater Niagara Region, NY, New York, Ontario, Canada, Thousand Islands Region, NY, US Mid-Atlantic Region, USA) |
1,328,025,600 ac-ft | Lake Ontario, one of the world’s five Great Lakes, weaves over state and country borders, delighting Americans, Canadians, and visiting tourists with… |
| Seneca Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
12,566,054 ac-ft | Seneca Lake, one of western New York’s famous Finger Lakes, is the largest lake to be entirely contained within the borders of the state. Seneca Lake… |
| Cayuga Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
7,672,208 ac-ft | Cayuga Lake, located in western New York, is the second largest Finger Lake in both surface area and volume. Boasting 38.2 miles in length, 1.7 miles… |
| Skaneateles Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
1,301,206 ac-ft | Skaneateles Lake, pronounced “skany-atlas” or “skinny-atlas,” is one of New York’s famous Finger Lakes. Its name means “long lake” in one of the local… |
| Owasco Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
650,603 ac-ft | Owasco Lake is the sixth largest of the eleven Finger Lakes. Its name, from a Mohawk or Iroquois term, translates to “crossing.” The Finger Lakes were… |
| Conesus Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
586,392 ac-ft | Livingston County, New York considers Conesus Lake to be its pride and joy, the jewel of the county. Indeed, this Finger Lake’s original Seneca name m… |
| Oneida Lake, NY (Central-Leatherstocking Region, NY, Finger Lakes Region, NY, New York, Thousand Islands Region, NY, US Mid-Atlantic Region, USA) |
255,360 ac-ft | Covering more than 51,000 acres, Oneida Lake is the largest lake located entirely within the state of New York. Named after the Iroquois Nation Oneida… |
| Hemlock Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
88,997 ac-ft | Hemlock Lake, at just 7 miles long and a half mile wide, is one of New York’s smallest Finger Lakes, and one of two reserved for supplying water to th… |
| Otisco Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
64,753 ac-ft | Approximately 20 miles southwest of Syracuse, New York, Otisco Lake is the easternmost of the 11 Finger Lakes. Just under six miles long, 3/4 miles ac… |
| Canadice Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
35,599 ac-ft | The smallest of New York’s famous Finger Lakes, Canadice Lake measures just 3 miles long and 1/2 mile wide. Its 640 acres are almost wholly undevelope… |
| Honeoye Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
29,154 ac-ft | Honeoye Lake, one of New York state’s famous Finger Lakes, is located in beautiful Ontario County. Clean and pristine, this minor Finger Lake is the c… |
| Green Lakes NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
5,866 ac-ft | (Also known as Green Lake, Fayetteville Green Lake, Round Lake) Two little-known lakes in the Finger Lakes region of New York offer a geological mystery inviting the attention of scientists around the world. Green… |