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
Geography of Dorset the Channel at Charmouth. The River Brit rises north of Beaminster, flows south through Bridport and enters the Channel at West Bay. Near the village of Burton Bradstock, about 1 mile east of the mouth of the Brit, is the terminus of the small River Bride; this rises at Bridehead in the hills between Dorchester and Bridport, and flows westwards for about seven miles "before sinking into the shingle" of Chesil Beach. Further east along the coast is the River Wey, which flows into Radipole Lake in Weymouth, and enters the Channel through Weymouth Harbour. Dorset has no large freshwater