Engelberger Aa

Engelberger Aa (or Engelbergeraa) is a river in Switzerland. It rises west of Surenenpass in the Canton of Uri, flows through the valley of Engelberg (Obwalden) and Nidwalden. At Buochs, it empties into Lake Lucerne and is thus a tributary of the Reuss, which drains that lake.

Engelberger Aa
Engelberger Aa tobel.jpg
Location
CountrySwitzerland
Physical characteristics
Source 
 • locationWest of Surenenpass
MouthLake Lucerne
 • coordinates
46°58′44″N 8°25′31″E / 46.97889°N 8.42528°E / 46.97889; 8.42528Coordinates: 46°58′44″N 8°25′31″E / 46.97889°N 8.42528°E / 46.97889; 8.42528
 • elevation
433 m (1,421 ft)
Length50 km (31 mi)
Basin size230 km2 (89 sq mi)
Basin features
ProgressionLake LucerneReussAareRhineNorth Sea


Fog