The town is located on the northern edge of Lewis County, immediately south of the Nez Perce County line. Reubens is located on a flat, with thin and deep valleys located just over a mile to the east and west. On the west, Lapwai Creek cuts a gorge more than a thousand feet deep and carries U.S. Route 95. To the east, the valley of Big Canyon Creek reaches depths of nearly a thousand feet in the immediate vicinity of Reubens.
The town is located on the northern edge of Lewis County, immediately south of the Nez Perce County line. Reubens is located on a flat, with thin and deep valleys located just over a mile to the east and west. On the west, Lapwai Creek cuts a gorge more than a thousand feet deep and carries U.S. Route 95. To the east, the valley of Big Canyon Creek reaches depths of nearly a thousand feet in the immediate vicinity of Reubens