Signal Butte is the only remaining switchback on the McCloud River Railroad, McCloud Railway. The switchbacks were needed because the grade going up this hip of Mount Shasta is severe. The “official” grade for the railroad has always been 4.5 percent , but many of the railroaders have scoffed at this, proposing up to 7 percent as being more likely.
The Turntable used to turn the snow plows and the other equipment, not the steam engines
Maps and Aerial Image: U.S. Geological Survey
*Photo Courtesy of Jeff Moore and McCloud Rails