Thunersee

Lake Thun is an Alpine lake in the Bernese Oberland in Switzerland named after the city of Thun, on its northern shore. At 48.3 km² in surface area, it is the largest Swiss lake entirely within a single canton.
  • Location: Canton of Bern
  • Primary inflows: Aare · Kander
  • Primary outflows: Aare
  • Catchment area: 2,500 km² (970 sq mi)
  • Basin countries: Switzerland
  • Max. length: 17.5 km (10.9 mi)
  • Max. width: 3.5 km (2.2 mi)
Data from: en.wikipedia.org