Fort Ter-Waw, located in Klamath Glen, California, was destroyed by the flood in December 1861 and abandoned on June 10, 1862. Bridges were washed away in Trinity and Shasta counties. At Red Dog in Nevada County, William Begole reported that from December 23 to January 22 it rained a total of , and on January 10 and 11 alone, it rained over .
