High Quality Content by WIKIPEDIA articles!The Sahaptin people are a Native American people that inhabited territory along the Columbia River. The Nez Perce tribe is one of the major Sahaptin groupsThe prominent Sahaptin tribe formerly held a considerable territory in western Idaho and adjacent portions of Oregon and Washington, including the lower Snake River, with its tributaries the Salmon, Clearwater, and Grand Ronde rivers, from about 45° latitude down nearly to the entrance of the Palouse, and from the Blue Mountains of Oregon on the west to the main divide of the Bitterroot Mountains on the east.