Emigrant Gap By Brian Schmidt | June 15, 2021 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Emigrant Gap The caboose roof glistens with moisture as Southern Pacific Extra 6311 East climbs through the Donner Pass mist at storied Emigrant Gap, 65 miles out of Roseville and nearly a mile above sea level in October 1957. Philip R. Hastings photo