Note 175 — JOURNAL OF TRAVELS OVER THE ROCKY MOUNTAINS (continued 3)
Reading edition
Young's River was called by Lewis and Clark Kilhawanackkle, and is the largest stream in Clatsop County. The falls are at the head of tidewater and flow over a black basalt cliff. The eastern tributary is the Klaskanine River. See Original Journals of the Lewis and Clark Expedition, iv, p. 137.—Ed.