Pištet / Pod Vršinama Shelter is a simple open mountain shelter located on Prenj, beneath Velike Vršine and above the Bijele vode area, in the direction of Poljice and the inner part of the mountain. In different hiking sources, it appears under several related names, including Pištet Shelter, Vršine Shelter, Kontejner pod Vršinama, or Zaušlje, reflecting the use of local names for the same wider area.

The shelter is a steel shipping container adapted for overnight stays in the mountains, with space for up to 10 people. It is always open and serves as a practical refuge for hikers crossing this remote part of Prenj, especially on routes between Ruište, Bijele vode, Vršine, Poljice, Botini, Lupoglav, and Zelena Glava. Its northern side is reinforced with rocks, helping to stabilize the container and protect it from strong mountain winds.

The usual approach is from Ruište via the Adnan Krilić mountain hut at Bijele vode, and then onward toward Vršine / Pištet. From Bijele vode, the shelter can be reached by a marked trail in about 1 to 1.5 hours, depending on conditions. A water source is located near the shelter, making it an important overnight and emergency refuge in this exposed central part of Prenj.

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The Jezerce mountain hut is located in the heart of Prenj, at about 1,650 m above sea level, near the Jezerce spring and below Taraš peak. Because of its position, it is one of the most important bases for ascents toward Zelena Glava, Otiš, Osobac, Taraš, and other peaks of central Prenj.

The hut has a long history. A shelter known as Katharinen Hütte existed in this area during the Austro-Hungarian period, and in 1933 the Sarajevo mountaineering society “Prijatelj prirode” built a smaller hut that served hikers for decades. During the 1992-1995 war in Bosnia and Herzegovina, the old hut was burned down and destroyed. The idea of rebuilding it was revived in 2005 by Prenj enthusiasts gathered around Zona-2000, and the reconstructed Jezerce hut was officially opened on July 9, 2016.

Today, the hut is built of stone and wood, with a common room on the ground floor and sleeping space in the attic. It can accommodate about 20 people and also serves as an open mountain shelter for hikers, climbers, and ski tourers moving through the central part of Prenj.