The Gleirschbach is a river of Tyrol, Austria, a tributary of the Isar.

Gleirschbach
Location
CountryAustria
StateTyrol
Physical characteristics
Source 
 • locationnorth of the alpine hut Pfeishütte
 • coordinates47°20′09″N 11°25′40″E / 47.3357°N 11.4278°E / 47.3357; 11.4278
Mouth 
 • location
at the exit of the Hinterau valley into the Isar
 • coordinates
47°22′33″N 11°18′30″E / 47.3759°N 11.3084°E / 47.3759; 11.3084
Length~ 12 km (7.5 mi)
Basin features
ProgressionIsarDanubeBlack Sea

The Gleirschbach originates north of the alpine hut Pfeishütte. It has a length of app. 12 km (7.5 mi), 7.40 km (4.60 mi) of these on the city area of Innsbruck. At the "Möslalm" the Gleirschbach picks up the 1.40 km (0.87 mi) long Angerbach, which originates on the northern side of the Nordkette. At the exit of the Hinterau valley the Gleirschbach merges with the Isar. The water possesses A grade quality and is popular among rafting-fans.