Newest reservoirs in Eastern Oregon
The year that a reservoir was first filled to the reservoir’s normal elevation – or the year that a natural lake was first dammed – is the determining factor in the age of the body of water. A large reservoir can take more than a year to fill after its dam is first closed. You can find many of the the world’s newest reservoirs on LakeLubbers in the comparison table below. Many of the world’s oldest reservoirs appear on the last page of that list. Note: For some lakes, the completion year data is unknown, so you may see fewer lakes than the total 4 articles we have published for Eastern Oregon lakes.Thinking about booking a Eastern Oregon lake vacation home rental, cabin or hotel?
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Below are lakes within USA > US West Region > Oregon > Eastern Oregon > Compared by newest (youngest) reservoirs and the year it was completed. 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  |
Completion year |
Lake description |
|---|---|---|
| Hells Canyon Reservoirs (Eastern Oregon, Idaho, Oregon, Southwestern Idaho, US West Region, USA) |
1959 | 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 … |
| Lake Wallula, OR/WA (Eastern Oregon, Oregon, South Central Washington, US West Region, USA, Washington) |
1954 | Lake Wallula, a 64 mile long reservoir, is a wide open glassy lake that extends from northeastern Oregon to southeastern Washington. Lake Wallula rece … |
| Wallowa Lake (Eastern Oregon, Oregon, US West Region, USA) |
1926 | 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 … |