Santiam Pass, located at an elevation of , marks a historic feature in the Cascade Range. West of Mount Washington and Three Fingered Jack, there are three major routes. One travels north and west down the North Santiam River, the same path followed by Hogg's railroad, while another moves southwest along the McKenzie River. The third route moves west over Tombstone Pass, reaching the South Santiam River, and was followed by the Santiam Wagon Road from 1865 to 1914 as well as the auto race of the 1905 Lewis and Clark Centennial Exposition.