Grande Ronde River Valley, Umatilla National Forest
![A landscape of hilly, dissected terrain with a mix of open ground, partly-wooded slopes, and coniferous forest](/photos/u/3ce6187bbcd53489907c684a4e1b612d-640.jpg)
Taken on Jun. 8, 2007
This view of the Grande Ronde River valley from Umatilla National Forest shows a landscape typical of the Blue Mountains, where the vegetation cover varies significantly by elevation and microclimate, driven by changes in moisture availability.