| Gleirschbach | |
| Source1 Location: | north of the alpine hut Pfeishütte |
| Source1 Coordinates: | 47.3357°N 11.4278°W |
| Mouth Location: | at the exit of the Hinterau valley into the Isar |
| Mouth Coordinates: | 47.3759°N 11.3084°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Austria |
| Subdivision Type2: | State |
| Subdivision Name2: | Tyrol |
| Length: | ~ 12km (07miles) |
The Gleirschbach is a river of Tyrol, Austria, a tributary of the Isar.
The Gleirschbach originates north of the alpine hut Pfeishütte. It has a length of app., of these on the city area of Innsbruck. At the "Möslalm" the Gleirschbach picks up the 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.