Deepest lakes & reservoirs in Eastern Oregon 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 4 articles we have published for Eastern Oregon lakes.
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Below are lakes within USA > US West Region > Oregon > Eastern Oregon > Compared by maximum depth in feet. This list does not represent all lakes in Eastern Oregon, only the 4 Eastern Oregon lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Hells Canyon Reservoirs (Eastern Oregon, Idaho, Oregon, Southwestern Idaho, US West Region, USA) |
300 ft | Also known as Brownlee Reservoir, Oxbow Reservoir, Hells Canyon Reservoir The three Hells Canyon Reservoirs are one of southwest Idaho’s most scenic locations. Idaho can’t claim this national treasure alone, however as it sh … |
| Wallowa Lake (Eastern Oregon, Oregon, US West Region, USA) |
299 ft | Wallowa Lake is the anchor-point for recreation in Oregon’s Eastern tourism region. This well-loved lake has been a sought-after destination since bef … |