Blue Lake ( hr, Modro jezero or ''Plavo jezero'') is a

karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...

lake located near

Imotski Imotski (; it, Imoschi; lat, Emotha, later ''Imota'') is a small town on the northern side of the Biokovo massif in the Dalmatian Hinterland of southern Croatia, near the border with Bosnia and Herzegovina. Imotski, like the surrounding inland D ...

in southern Croatia. Like the nearby Red Lake, it lies in a deep sinkhole possibly formed by the collapse of an enormous cave.Modro Jezero - Blue Lake by Wondermondo
/ref> The total depth from the upper rim is around , while water depth varies with season. In spring, when the snow from surrounding mountains melts, it can reach , and in 1914 it reached , overflowing the southern rim. The lake is a popular destination for hiking and sight-seeing.
/ref> Maximum dimensions of the lake are around , but they significantly vary due to big changes in the water level. At the end of the summer the lake may completely disappear. In 1907 a road was built descending to the lake. In 1942, an earthquake caused a large rockfall, resulting in reduction of the lake's depth.

References

External links

* Lakes of Croatia Landforms of Split-Dalmatia County Sinkholes of Europe Imotski {{SplitDalmatia-geo-stub