Lake Geneva is divided into three parts because of its different forms of formation (sedimentation, tectonic folding, glacial erosion): According to the Swiss Federal Office of Topography, swisstopo, "Lac de Genève" designates that part of the "Petit Lac", which lies within the cantonal borders of Geneva (excluding the cantonal exclave Céligny), so about from Versoix–Hermance to the Rhône outflow in Geneva. The Chablais Alps border is its southern shore, the western Bernese Alps lie over its eastern side. The high summits of Grand Combin and Mont Blanc are visible from some places. Compagnie Générale de Navigation sur le lac Léman (CGN) operates
Geneva and Lyons Railroad which was overloading the single track of the Auburn Road. Construction of the Geneva and Lyons was underway by the spring of 1878. The first passenger train over the railroad ran on November 11, 1878, and was operated by the Fall Brook, continuing south to Corning. While the new railroad was owned and operated by the New York Central, which had advanced the funds for its construction, the Fall Brook continued to operate trains over the Geneva and Lyons and the Northern Central Railway also arranged for trackage rights over the railroad in 1878. George J. Magee, of the Fall