The history of the MS Mount Washington dates back to 1872 when the original paddle steamer Mount Washington was launched from Alton Bay. The Mount was the largest of all the steamers on the lake at  in length, with a beam of .
The history of the MS Mount Washington can be traced back to 1872, when the initial paddle steamer named Mount Washington was launched from Alton Bay. This vessel was the biggest steamboat on the lake at that time, measuring  in length and having a width of .