It is one of the most famous and impressive springs, and there are quite a lot of them in these countries. The Ūla's eye is located on the left bank of the Ūla river between the villages of Mančiagirė and Žiūrai, 8 m from the bank. It is like a tiny lake with a length of 4.4 m and a width of 3.4 m. There is constant bubbling of sand from strong water currents in its centre. The source debit is 2 l/s and as much as 137.2 m3 of water a day flows into the Ūla through a 67 m stretch. Older residents believe that Ūla's eye water can help with a variety of diseases if to goes to the spring at the sun sets. It is said that similar springs exist at the bottom of Ūla itself.