The stone basins at Nderlyse are rock formations created by the abundant flow of black river water coming down from the village of Kaprre. In the village of Kaprre this water creates the Blue Eye, a beauty of nature that impresses every visitor. Their appearance is quite interesting there are very different and special forms. Many are plated and rounded and look like bathtubs made by an artist with perfect taste. During the summer season they are also used to refresh the many visitors.  The The bathtub attraction is located on the outskirts of the holiday village of Thethi. The dynamic relief of the area leads through the signs that have placed the inhabitants along the valley of Thethi.

Rock formation Bathtubs are rare rock formations. They are surrounded by lush green mountains and are covered by the abandoned waters of the river and snow-covered streams. The huge stones are mostly white, but there is a slight pink hue that gives them an even more beautiful appearance. The pools rise up over a long valley, almost bare and surrounded by low vegetation in the mountain wings. It looks like a gigantic monument sculpted by many sculptors contemporaneously.