Lausanne is built on the southern slope of the Swiss plateau, with a difference in elevation of about 500 metres between the lakeshore at Ouchy and its northern edge of Le Mont-sur-Lausanne and Épalinges. The spectacular panoramic view of the lake and the Alps is a unique hallmark of this city. The French town of Evian-les-Bains and the Jura Mountains are located in the northwest, about 45 minutes sailing from the lake. It is located in a famous wine-producing area. It is the fourth largest city in Switzerland.
French, German and Italian are the most widely spoken languages, despite being located in the French-speaking part of Switzerland. The average number of rainy or snowy days is 119.7 days per year. The wettest month is May with an average of 117 mm of rain. The driest month is February with a normal of 67 mm of rainfall over 8.8 days. In the past 20 years, the average minimum temperature was -7.0 degrees Celsius. Lausanne is the focal point of international sports, hosting the International Olympic Committee (the committee has called the city the "Olympic Capital" since 1994), the Sports Arbitration Court and about 55 international sports associations. Lausanne hosted the 2020 Winter Youth Olympic Games. The city is characterized by a rapid transit system with a 28-station subway system, making it the smallest city in the world.