There is not really an address for it. There is dirt road less than a quarter of a mile just downstream of the Umtanam Campgound that has a large sign that was previously operated by Red’s Fly Shop and a red metal gate that provides access to the property. It is known as lower Umtanam

Driving Directions Located along the Washington State Scenic Byway of Highway 821 “Canyon Road” between the cities of Ellensburg and Yakima: Umtanum will be near Mile Post 16