To reach the office of the high altitude reservoir cross the village of Kaprun and continue towards the glacier lifts which should be prominently directed.
What is this High Altitude Reservoir?
The purpose of the reservoir is to generate clean electricity for the Austrian country and the 170 million m³ of water generates annually a whooping 700 million kWh for the Austrian households and industry.
From the upper reservoir
you might be able to see some wildlife so binoculars might come useful.
The museum
...talks about the history of the reservoir with video material and showpieces such as workers’ pickaxes and helmets.