In April of 1852, William Nobles announced a newly discovered route to the Northern Mines to the merchants of Shasta City. He would “open a good wagon road from this place to the Humboldt River…. which will be shorter and in every respect more practicable than any other known overland immigrant route into California.”
The main advantage of the Nobles Route was, unlike many of the more southern routes, was its relatively gradual ascent and descent into the Sacramento Valley. The highest elevation on the early Nobles Trail was 6200 feet and 5900 on the improved route.
The Nobles Pass Trail soon became one of the major routes into California.