Wallula Gap (/wəˈluːlə/) is a large water gap of the Columbia River in the northwestern United States, in southeastern Washington. It cuts through the...

Wallula (/wəˈluːlʌ/) is a census-designated place (CDP) in Walla Walla County, Washington, United States. The population was 179 at the 2010 census. The...

Oregon and Washington, and Wallula Gap, Washington, United States Cumberland Narrows, Maryland, United States Delaware Water Gap, New Jersey and Pennsylvania...

the Yakima, Walla Walla, Touchet and Tucannon river valleys. Wallula Gap is a large water gap through basalt anticlines in the Columbia River basin just...

is a tributary of the Columbia River, joining the Columbia just above Wallula Gap in southeastern Washington in the United States. The river flows through...

showed. For example, their calculated water depth at the Pasco Basin–Wallula Gap transition zone is about 190 m, significantly less than the 280–300 m...

recreational activities. Wallula Gap List of lakes in Oregon List of hydroelectric dams on the Columbia River "Lake Wallula - Washington Department of...

Umatilla, leading to several attempts at finding a compromise along the Wallula Gap or in other areas southeast of the Tri-Cities. In 1973, Oregon and Washington...

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...

known as a "road train", one of the earliest motorized vehicles. From Wallula Gap on the Columbia River, the Old Cariboo Trail was built over the route...