The Futaleufú dam was completed and the reservoir filled in 1976 and the lake occupies a narrow valley between glaciated peaks.

They hydroelectric facility produces 2600 gigawatt hours per year, most of which is used for an aluminum refinery in the city of Puerto Madryn.

[1] The Frey River flows about 7 kilometres (4.3 mi) from Kruger and Futalaufquen lakes to Amutui Quimey.

The Frey is not accessible by road, but is often floated and is noted for trout fishing, scenery, and whitewater rapids.

Cerro Situación, the highest peak, reaches an altitude of 2,250 metres (7,380 ft) above sea level.