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 |
|---|---|---|
| Lewis Smith Lake, AL (Alabama, Mountains Region, AL, US South Region, USA) |
264 ft | Also known as Smith Lake Lewis Smith Lake is a perfect place for an outdoor adventure. Tucked into a corner of the Bankhead National Forest in northern Alabama’s Mountain Regi … |
| Whiskeytown Lake, CA (California, Shasta Cascade Region, CA, US West Region, USA) |
264 ft | Pristine Whiskeytown Lake is located 8 miles west of Redding in the Whiskeytown National Recreation Area, a portion of the larger Shasta-Trinity Recre … |
| Diamond Valley Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
260 ft | Also known as Diamond Valley Reservoir Diamond Valley Lake lies between two mountains in California’s Inland Empire tourism region. The 4,500-acre lake is Southern California’s newest and l … |
| Lake Cushman, WA (Olympic Peninsula & Pacific Coast Region, WA, US West Region, USA, Washington) |
260 ft | Nestled in the foothills of the majestic Olympic Mountains, Lake Cushman is known for its clear, blue water and alpine beauty. With 23 miles of shorel … |
| Lucky Peak Lake (Idaho, Southwestern Idaho, US West Region, USA) |
258 ft | Also known as Lucky Peak Reservoir Home of Idaho’s most visited state park, Lucky Peak Lake (sometimes called Lucky Peak Reservoir) covers over 3,000 acres just outside of the capital c … |
| Grand Lake, CO (Colorado, Front Range Region, CO, US West Region, USA) |
256 ft | Nestled in the Rocky Mountains and filled with water from melting snow, Grand Lake is the headwaters of the Colorado River and one of the state’s trea … |
| Bowman Lake, MT (Glacier Country, MT, Montana, US West Region, USA) |
253 ft | Bowman Lake is located in the northwest corner of scenic Waterton-Glacier International Peace Park. The crystal clear waters of Bowman Lake reflect th … |
| Smith Mountain Lake, VA (Blue Ridge Highlands, VA, Central Virginia, Southern Virginia Region, US South Region, USA, Virginia) |
250 ft | Also known as Jewel of the Blue Ridge With emerald green shores, sapphire blue skies, topaz blue waters, and soaring surrounding mountains, it’s clear why Smith Mountain Lake is nicknamed … |
| Grand Teton Lakes (Northwest Wyoming, US West Region, USA, Wyoming) |
250 ft | Also known as Jenny Lake, String Lake, Leigh Lake Wildlife, majestic peaks and pristine waters are the signature attributes of the Grand Teton Lakes. Snuggled within Grand Teton National Park, three l … |
| Paulina Lake, OR (Central Oregon, Oregon, US West Region, USA) |
250 ft | Set in the high desert country of central Oregon, Paulina Lake is one of two sparkling lakes resting in the caldera of Newberry Crater. Part of Newber … |
| Lakes of Killarney, Ireland (Ireland, South West Ireland) |
250 ft | Also known as Killarney Lakes, Lough Leane, Lower Lake, Muckross Lake, Middle Lake, Upper Lake For more than 250 years, the beauty of Killarney Lakes has attracted royalty, world leaders, literary figures and now more than one and a half million … |
| Herrington Lake, KY (Bluegrass Region, KY, Kentucky, US South Region, USA) |
249 ft | Meandering 32 miles across the Bluegrass Region of Kentucky is Herrington Lake. The first large impoundment in Kentucky, Herrington Lake was created i … |