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
Burnett River flows south before swinging to the north-east at its confluence with Johnson Creek, passing through the Auburn River National Park, a little-known and untouched piece of pristine bush including Auburn Waterfall, and flows into the Burnett River west of Mundubbera; the Boyne River that rises in the Bunya Mountains National Park south-west of Kingaroy and flows in a general northerly direction, dammed near Proston to form Lake Boondooma, emptying into the Burnett River near Mundubbera, only from the Burnett River-Auburn River confluence; and the Barambah Creek that rises in the hills between Kingaroy and the Sunshine Coast, north of Jimna