Deepest lakes & reservoirs in 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 2151 articles we have published for lakes.
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Below are lakes within Compared by maximum depth in feet. This list does not represent all lakes in , only the 2151 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 … |
| Katmai Crater Lake (Alaska, Southwest Region, AK, US West Region, USA) |
800 ft | Little known and seldom seen, Katmai Crater Lake is an example of nature’s handiwork at its most impressive. Located on the Alaskan Peninsula within K … |
| Karakul Lake (Tajikistan) |
781 ft | Also known as Lake Karakul, Qarakul Mysterious, remote and beautiful describes Lake Karakul in the Pamir Region of Tajikistan. The highest lake in the country and the highest saltwater l … |
| Lake Ladoga, Russia (North-Western Region, Russia, Russia) |
755 ft | Also known as Lake Laatokka, Ladozhskoye Ozero Located 25 miles north of St. Petersburg, Russia’s Lake Ladoga is the largest freshwater body in Europe with a surface area of 4,481,238 acres. The am … |
| Okanagan Lake, BC (British Columbia, Canada, Canada) |
754 ft | Also known as Lake Okanagan Okanagan Lake, located in British Columbia’s Napa of the North Country, is a vacationer’s paradise. Its sheer size and convenient location make this w … |
| Loch Ness, Scotland (Highlands & Moray Region, Scotland, Scotland, United Kingdom, United Kingdom) |
754 ft | In the Scottish Highlands, the air is clear. The mountains roll on and on, like large lumbering animals. Breathtaking glens, left by the cutting passa … |
| Lake Huron (Canada, East Central Michigan, Great Lakes of North America, Michigan, Northeast Michigan, Ontario, Canada, US Midwest Region, USA, Upper Peninsula Region, MI) |
750 ft | A glacial lake of epic proportions, Lake Huron is the second largest of the five Great Lakes by surface area, boasting 23,010 square miles and an incr … |
| Lago de Ilopango (El Salvador) |
750 ft | Also known as Ilopanga Lake With nearly 18,000 acres of shimmering water, Lago de Ilopango is one of El Salvador’s best-kept secrets. Created 15 centuries ago when the caldera of … |
| Lake Thun (Bern Region, Switzerland, Switzerland) |
712 ft | Also known as Thunersee Lying just north of the Alps in Switzerland’s Bern Region, Lake Thun is a favorite destination among holiday-makers. Reflecting the majestic Alpine pe … |
| Reindeer Lake, MB (Canada, Manitoba, Canada, Saskatchewan, Canada) |
710 ft | Reindeer Lake is the one of the largest lakes in North America, covering about 1,500,000 acres and spanning the border of Saskatchewan and Manitoba pr … |
| Lake Timiskaming (Canada, Ontario, Canada, Quebec, Canada) |
709 ft | Also known as Lake Temiskaming, Lac Temiscamingue Large, scenic and inviting, Lake Timiskaming forms part of the border between Ontario and Quebec. A full 68 miles long, Lake Timiskaming is about 5 mi … |
| Lake Lucerne CHE (Lucerne Region, Switzerland, Nidwalden Region, Switzerland, Obwalden Region, Switzerland, Schwyz Region, Switzerland, Switzerland, Uri Region, Switzerland) |
702 ft | With a shoreline that rises steeply into the mountains to a height of more than 4,900 feet, Lake Lucerne is the fourth largest lake in Switzerland. It … |