Lake Vallüla (German Vallülasee) is a mountain lake located in Montafon, Austria. This secluded area on Mount Vallüla can only be reached on foot due to its high elevation and rough terrain. The climb takes approximately 5 hours.

Vallülasee
Vallülasee is located in Vorarlberg
Vallülasee
Vallülasee
LocationVorarlberg
Coordinates46°56′55″N 10°07′11″E / 46.94861°N 10.11972°E / 46.94861; 10.11972
Typemountain lake
Primary inflowsVallülabach
Primary outflowsVallülabach
Basin countriesAustria
Max. length200 m (660 ft)
Max. width200 m (660 ft)
Surface areaca. 4 ha (9.9 acres)
Surface elevation2,500 m (8,200 ft)

The mountain lake possesses clear, chilly drinking water. The Vallülabach (length: ~ 5 km) feeds and drains the lake and merges with the river Ill. Fishes such as trout can be found in the water.