Lag Tuleritg
Encyclopedia
Lag Tuleritg is a lake
Lake
A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 at Flims
Flims
Flims is a municipality in the district of Imboden in the Swiss canton of Graubünden. The town of Flims is dominated by the Flimserstein which you can see from almost anywhere in the area....

 in the canton of Grisons
Graubünden
Graubünden or Grisons is the largest and easternmost canton of Switzerland. The canton shares borders with the cantons of Ticino, Uri, Glarus and St. Gallen and international borders with Italy, Austria and Liechtenstein...

, Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

.

As close as 500 yards to the Caumasee
Caumasee
Caumasee is a lake near Flims, in the Grisons, Switzerland. It is one of the lakes on the Flims Rockslide deposits. The lake is fed from underground sources...

, well known for swimming, is another dell, home of Lag Tuleritg which is just 18 Metres higher. This lake falls completely dry in autumn and remains empty until being filled by a small river of just about half a mile in length (falling some 100 metres in level) that will start flowing around May depending on temperatures and snow melt rate in the mountains. Its origin is another lake, Lag Prau Pulté
Lag Prau Pulté
Lag Prau Pulté is a lake at Flims in the canton of Grisons, Switzerland.This lake falls completely dry in autumn and remains empty until being filled by growing underground flows depending on temperatures and snow melt rate in the mountains...

, which is fed by underground water only in spring, disapperaring in autumn and staying dry all winter. During a cold period in spring, water that entered the dell of this lake may disappear again as snow melt decreases and all water remains in the underground flow. Due to its origin the water of both lakes is grey all summer until the level starts to go down in autumn. In Lag Prau Pulte one can see another special effect caused by air being forced out of the underground, causing the lake not only to remain grey but offernig frequent bubbles on the surface.

Because its proximity it is very likely that the water from Lag Tuleritg continues underground to Caumasee
Caumasee
Caumasee is a lake near Flims, in the Grisons, Switzerland. It is one of the lakes on the Flims Rockslide deposits. The lake is fed from underground sources...

, although no experiments using colour was ever to prove this.
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