Primary outflows Aabach
Basin countries Switzerland
Area 10.3 km²
Length 8.4 km
Width 1.5 km
|Primary inflows |
Catchment area 128 km (49 sq mi)
Max. length 8.4 km (5.2 mi)
Surface elevation 449 m
Volume 0.285 km³
|Cities Beinwil am See, Seengen, Meisterschwanden|
Lake Hallwil (German: Hallwilersee) is a lake largely in the Canton of Aargau, Switzerland, located at 47°17′N 8°12′E. It is the largest lake in Aargau and lies mostly in the districts of Lenzburg and Kulm on the southern edge of the canton. The southern tip of the lake reaches into the canton of Lucerne.
Map of Lake Hallwil, Switzerland
Its surface is approximately 10.3 km² and its maximum depth is 48 metres. It is a popular vacation destination.
In 1938 Sir Malcolm Campbell set a world water speed record in Blue Bird K3 on the lake.