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-on-the-Lake, Ohio the Jennie Munger Gregory Museum. Vacation residences continued to grow and expand through the early 1900s to include places such as the Idle-A-While and Shady Beach Inn. Erieview Park was started in 1945 by E.M. "Pop" Pera, and it grew to include nine adult and nine children's amusement park rides including The Fright Zone, one of three scary dark rides created by the Allen Herschel Co. The park closed in 2006, but the Ferris wheel and carousel are still in operation nearby. Starting in 1964 with the purchase of Chestnut Grove, portions of land which were to become the Geneva-on-the-Lake