The freshwater lake Vrana (5.75 sq. km) is a natural phenomenon. The surface of the lake is higher than the surrounding sea, while the sea floor at a depth of 74 m below the sea surface.
The entire mountain slopes around the lake Vrana are prohibited, only a few of the locals is allowed access to the lakeshore, because the drinking water needs of the entire island is covered by Vranasee. Vrana called on Croatian crow.
The Vrana Lake on Cres Island is one of the most interesting karst water phenomena within the Dinaric karst and Adriatic Islands. The lake depression contains approximately 220 million m3 of fresh and extraordinary clean water. The largest portion of lake water recharge comes from precipitation, and according to the limnological properties the lake belongs to the monomictic and oligotrophic lake type. The lake is a source of potable water for the islands of Cres and Losinj.
Vrana Lake is a crypto-depression and occurs within the elongated Cres Island,composed mostly of karstified carbonate rocks, upper Cretaceous rudist limestones and Eocene limestones, dolomites and Paleogene flysch deposits. During the exploration of the lake floor, Pliocene-Pleistocene lacustrine silty sediments, torrential slope detritus and recent lacustrine sediments were discovered. The upper 30 cm of lake sediment contains over 70% quartz and clay, 10% dolomite and less than 5% calcite, while deeper parts of the profile (to 1m depth) are dominated by calcite (more than 60%).
Myth of Lake Vrana
Lake Vrana myth or legend states that there is a castle under the lake. The rich sister that lived in the castle would not give her poor sister money or food. As a result she was punished by her castle being flooded during a severe thunderstorm which caused Lake Vrana to be created. The story goes on and tells that on some windy days if one listens very carefully even today, the tower bells can still be heard ringing.
For logging you must make a picture with your GPS and the lake from the coordinates - Upload this picture in your log. And answer my following question. If you drive or go to the coordinates, look at the ground, please tell me, what is the name of the grey stones you see (the latin term)? Send me by email the answer, and I will give you my log permission.
The answer is not limestone, calx, calciumcarbonat ....
Odgovor nije Vapnence, Vapno ....
Odgovor je ne apnenca, apna ....