Grande Ronde Valley
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The Grande Ronde Valley is a valley in Union County in northeastern Oregon, United States. It is surrounded by the Blue Mountains and Wallowa Mountains, and is drained by the Grande Ronde River. La Gr
A barn in the Grande Ronde Valley, near La Grande, with the Blue Mountains in the background.
The west end of the Grande Ronde Valley, including La Grande and Mount Emily.
Union County, Oregon
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Union County is one of the 36 counties in the U.S. state of Oregon, and one of the 8 counties of eastern Oregon. As of the 2020 census, the population was 26,196. The county comprises the La Grande mi
Union County Museum
Basalt outcroppings along the Grande Ronde River (August 2011).