Deepest lakes & reservoirs in Northwest Washington & Islands, WA 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 2 articles we have published for Northwest Washington & Islands, WA lakes.
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Use our free interactive vacation rental map to search and compare multiple vacation properties at a glance. Enter a lake name, a state or city and then simply click on a listing to compare all similar properties, best rates and availability for your dates.Search results: Sort lakes by max depth (feet)
Below are lakes within USA > US West Region > Washington > Northwest Washington & Islands, WA > Compared by maximum depth in feet. This list does not represent all lakes in Northwest Washington & Islands, WA, only the 2 Northwest Washington & Islands, WA lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Whatcom Lake, WA (Northwest Washington & Islands, WA, US West Region, USA, Washington) |
330 ft | Also known as Lake Whatcom Whatcom Lake is a 5,000-acre natural lake surrounded by mountainous terrain located in Whatcom County, Washington. Whatcom is from a Nooksack Indian w… |
| Lake Cavanaugh, WA (Northwest Washington & Islands, WA, US West Region, USA, Washington) |
80 ft | The snowy peaks of the Northern Cascades complement the multitude of evergreens that surround 844-acre Lake Cavanaugh. Located in Skagit County in Nor… |