found: Work cat.: Automobiles parked along a road near Cayuse Pass, n.d., via the Dwight Watson digital images collection, Mar. 3, 2008.
found: GNIS, Mar. 3, 2008(Cayuse Pass, Gap, Pierce Co., Wash., 46°52ʹ01ʺN 121°32ʹ19ʺW)
found: Washington place names, via WWW, Mar. 3, 2008("Cayuse Pass is at the 4,675 foot level at the junction of the Mather Memorial Highway and the Ohanapecosh Hot Springs highway between the heads of Cayuse and Klickitat creeks west and below Chinook Pass on Mount Rainer. It was once used in winter months as a ski area. The name comes from a warlike Indian tribe which formerly inhabited much of the southern Inland Empire.")
