Lake Geneva

Lake Geneva is a large freshwater lake shared by Switzerland and France. The Rhône River flows through it from the Alps toward the Mediterranean.

Rhône: A major European river that rises in the Swiss Alps and flows through France to the Mediterranean Sea. The Rhône enters at the lake’s eastern end and exits at Geneva.
Lake stratification: The separation of lake water into layers of different temperatures and densities. Temperature layers influence how Lake Geneva’s deep water mixes.
Lake Geneva ferry: Passenger boat services operating between towns on Lake Geneva. Scheduled boats connect lakeside communities across the Swiss and French shores.
Chillon Castle: A medieval castle on a rocky island near Montreux, Switzerland. Its shoreline setting makes it one of the lake’s best-known landmarks.
Lake Geneva pollution: Contamination of Lake Geneva by nutrients, chemicals, and other pollutants. Wastewater and runoff have affected the lake’s water quality.
Swiss Alps: The part of the Alps located in Switzerland, containing many of the range’s highest peaks. Alpine snowmelt feeds the Rhône before it reaches the lake.
Thermocline: A water layer where temperature changes rapidly with depth. A seasonal thermocline separates warmer surface water from colder depths.
CGN: A Swiss company operating passenger boats on Lake Geneva. CGN runs the lake’s principal scheduled boat network.
Lavaux: A terraced vineyard region on Lake Geneva’s northern shore in Switzerland. Its vineyards occupy a distinctive stretch of the lake’s steep shoreline.
Eutrophication: The enrichment of water with nutrients, often causing excessive algal growth and oxygen depletion. Nutrient pollution once drove major ecological changes in Lake Geneva.

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