Deepest lakes & reservoirs in New York by maximum depth (ft)
The estimated greatest depth of the water in a lake can be measured at the lake’s normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake’s average depth can be calculated:Water volume ÷ Surface Area = Average Depth
Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth.
You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 72 articles we have published for New York lakes.
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Below are lakes within USA > US Mid-Atlantic Region > New York > Compared by maximum depth in feet. This list does not represent all lakes in New York, only the 72 New York lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
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) |
802 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) |
618 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… |
| Finger Lakes (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
618 ft | The Finger Lakes Region of New York is one of the nation’s favorite recreation and vacation destinations. The series of eleven long, narrow lakes are… |
| Cayuga Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
435 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… |
| Lake Champlain (Adirondacks Region, NY, Canada, Lake Champlain Valley Region, VT, New York, Quebec, Canada, US Mid-Atlantic Region, US New England Region, USA, Vermont) |
400 ft | Lake Champlain, straddling New York and Vermont in the USA, and Quebec in Canada, is a natural freshwater lake seated 96 feet above sea level. Briefly… |
| Skaneateles Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
315 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… |
| Canandaigua Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
276 ft | Canandaigua Lake, located in Ontario County’s “Lake Country,” is the fourth largest Finger Lake, stretching out over 15.5 miles in length and 1.5 mile… |
| Lake Erie (Canada, Chautauqua-Allegheny Region, NY, Great Lakes Region, PA, Great Lakes of North America, Greater Niagara Region, NY, Michigan, New York, Northeast Ohio, Northwest Ohio, Ohio, Ontario, Canada, Pennsylvania, Southeast Michigan, US Mid-Atlantic Region, US Midwest Region, USA) |
210 ft | Lake Erie, one of the Great Lakes of North America, straddles the borders of Ohio, Pennsylvania, New York, Michigan, and the Canadian province of Onta… |
| Lake George, NY (Adirondacks Region, NY, New York, US Mid-Atlantic Region, USA) |
200 ft | Sitting pretty at the base of New York’s majestic Adirondack Mountains, Lake George’s nickname is “Queen of American Lakes.” The 28,000-acre glacial l… |
| Green Lakes NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
195 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… |
| Keuka Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
183 ft | Keuka Lake, nicknamed Lady of the Lakes for its vast natural beauty, boasts two unique characteristics that set it apart from its sister Finger Lakes:… |
| Owasco Lake, NY (Finger Lakes Region, NY, New York, US Mid-Atlantic Region, USA) |
177 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… |