Wallula Gap
| Use attributes for filter ! | |
| Designated as world heritage site | 1980 |
|---|---|
| Locations | Columbia River Basin |
| Washington | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2927471 |
About Wallula Gap
Wallula Gap is a large water gap of the Columbia River through the Horse Heaven Hills basalt anticlines in the Columbia River Basin in the U. S. state of Washington, just south of the confluence of the Walla Walla and Columbia rivers.
