Deepest lakes & reservoirs in Northeast Washington 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 12 articles we have published for Northeast Washington lakes.
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Below are lakes within USA > US West Region > Washington > Northeast Washington > Compared by maximum depth in feet. This list does not represent all lakes in Northeast Washington, only the 12 Northeast Washington lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Lake Roosevelt, WA (Northeast Washington, US West Region, USA, Washington) |
400 ft | Also known as Lake Franklin D. Roosevelt Lake Roosevelt, located approximately 90 miles northwest of Spokane, Washington, covers 82,000 acres with a shoreline of 630 miles. Lake Roosevelt, al … |
| Rock Lake (Northeast Washington, US West Region, USA, Washington) |
375 ft | Deep, dark and mysterious describes Northeast Washington’s Rock Lake. Largest and deepest of the many lakes in the ‘Channeled Scablands’, Rock lake co … |
| Lake Spokane, WA (Northeast Washington, US West Region, USA, Washington) |
180 ft | Also known as Long Lake Lake Spokane, a 24 mile long reservoir, is so named because of its close proximity to Spokane, Washington. However, some people call it Long Lake, aft … |
| Curlew Lake, WA (Northeast Washington, US West Region, USA, Washington) |
130 ft | Nestled in a valley with breathtaking views of Colville National Forest, Ferry National Forest and mountain ranges, Curlew Lake is located 4.8 miles n … |
| Williams Lake WA (Northeast Washington, US West Region, USA, Washington) |
120 ft | Delighting anglers in eastern Washington, Williams Lake really serves up the trout! The long and narrow 320-acre lake is located less than 30 miles fr … |
| Loon Lake, WA (Northeast Washington, US West Region, USA, Washington) |
100 ft | Crystal clear water from a natural spring fills Loon Lake located in Stevens County in northeastern Washington. In a beautiful mountain setting surrou … |
| Silver Lake Spokane County, WA (Northeast Washington, US West Region, USA, Washington) |
80 ft | Visitors to Northeast Washington can find a lakeside paradise at Silver Lake. Only 20 minutes southwest of Spokane, Silver Lake offers nearly 500 acre … |
| Deer Lake, WA (Northeast Washington, US West Region, USA, Washington) |
75 ft | Deer Lake, located in Stevens County, Washington, is a spring-fed and snow-fed lake with approximately a 1,150-acre surface in the Colville River wate … |
| Waitts Lake, WA (Northeast Washington, US West Region, USA, Washington) |
68 ft | Set against the tree-clad mountain backdrop of Northeast Washington, Waitts Lake is a beautiful destination for the whole family. Surrounded by nation … |
| Diamond Lake, WA (Northeast Washington, US West Region, USA, Washington) |
58 ft | Situated in the heart Washington’s Pend Oreille County, Diamond Lake is one of many sparkling bodies of water belonging to the Evergreen State. Centur … |
| Newman Lake, WA (Northeast Washington, US West Region, USA, Washington) |
30 ft | Newman Lake is a natural 1,200-acre lake located about 20 miles northeast of Spokane, Washington. Although Newman Lake is relatively small compared to … |
| Eloika Lake, WA (Northeast Washington, US West Region, USA, Washington) |
15 ft | Eloika Lake is nestled in the foothills of the Selkirk Mountain Range in the northern most part of Spokane County in Washington. The Spokane Indian Na … |