The Horse Heaven Hills are a long range of high, rolling hills in Klickitat, Yakima, and Benton counties in Washington. The hills are an anticline ridge in the Yakima Fold Belt formed by north–south c
The Horse Heaven Hills along the Columbia River at Wallula Gap; note the dark areas of extensive flood basalts exposed by erosion.
Looking eastbound on I-82 as it approaches the crest of the Horse Heaven Hills.
A dust storm over the Horse Heaven Hills and Columbia Basin.
Wallula Gap is a large water gap of the Columbia River in the Northwestern United States, in Southeastern Washington. It cuts through the Horse Heaven Hills basalt anticlines in the Columbia River Bas
Horse Heaven Hills
…recent efforts to reintroduce animals that had previously been driven from the range. The Horse Heaven Hills lead eastward from the Simcoe Mountains to Wallula Gap. The range is bounded in the west by Satus Creek near Bickleton, the Columbia River in the east and south, and the anticline ridge that roughly follows…
View from northeast in 2008, from Main Street in Wallula
View to the north from about the midway point within the Wallula Gap
Twin Sisters: a scabland residual of the Missoula Floods on the east bank of the Columbia River in the Wallula Gap
View from the northern end toward the south within the Wallula Gap