Nis has a phenomenal geographical position. It is surrounded by 4 mountains. One of them is the mountainous area of Kalafat, whose highest and eponymous peak is 837 meters. The mountain is suitable for a handful of adventures because the small mountain abounds in a series of speleological objects, ie caves and pits, so that there are both horizontal and vertical entrances. One of them is the Samar cave which is located on the mountain Kalafat, where an adventure is organized which is very interesting, the cave is located 25 km from Nis, and is very accessible. At the extreme edge of the village of Kopajkosara is the entrance to the cave, where the Sudvik stream exits.

Samar Cave is a cave that is special in many ways, and most of all in our researcher, speleologist, enthusiast, Milutin Veljković, who broke the world record in 1972 and entered the Guinness Book of Records, spending 464 days inside. This record was previously held by 2 Frenchmen. “Under the Stone Sky” is a book that Milutin wrote about his bivouac in the cave. The record is incredible and perhaps unattainable during that time. The cave is located right at the end of the village, it is also the exit, the Sudvek stream comes out there and our adventure begins there. We enter the main canal and go upstream, travel for about 2 and a half, 3 hours and exit from the other side. Rarely in Serbia is there a cave where you can get to the other side so quickly, because you usually enter and exit in the same place. The cave even has several pits, and it is exited on the other side where the stream starts to sink. At the end of the cave is a large outgrowth, unique because there are so few of them in the whole of Serbia. Southeastern Serbia is known for its karst terrain. In the cave you can see everything from cave jewelry, stalagmites, stalactites, stalagnates, cave draperies, bigrene tubs. Also, there are many traces of Milutin’s bivouac underground at the place in the cave where he stayed. What is also interesting is that there is both a dry and a wet part in the cave.

The name of the village Kopajkošara is interesting. Before reaching the cave, when we turn off the main road, the village is not visible at all. Sometime in the Middle Ages, someone from this village shouted “run away, people, dig up the baskets of the Turks”, and that’s how the name came about.