In the Rhodope mountains close to Asenovgrad is a unique rock formation languages, Belintash. Area 2, 3 hectares, where there is a rock, declared a natural monument.

Rock from rock sedimentary rock (volcanic tuff) were subjected to weathering and has acquired an unusual shape. This is sort of a raised plate, whose length of 750 metres, a width of 30-50 m height of about 35. Languages, Belintash rock, probably because of the many holes that have chosen Alpine swift, Kestrel and red-rumped swallow. Natural landmark languages, Belintash is under the custody and control of the state.

Languages, Belintash is primarily famous for the fact that on the surface of the ancient Thracian tribe was arranged sanctuary. It is possible that the Thracians were building a Shrine on the rock, to protect it from attacks of aggressive neighbors. It is believed that it is a ritual dedicated to the place were God Sabasius. At the foot of the rock was found a plate of silver, on which was depicted sitting on the throne of God, entwined snakes, according to experts, Sabasius - the counterpart of the Greek God Dionysus. This finding is now kept in the archaeological Museum in Sofia.

Playground on a cliff dotted with many holes man-made origin, they are connected by straight lines. There is a version that this mapping constellations (Orion, Big dipper, Leo), so perhaps it was a kind of sanctuary ancient Observatory for priests that the stars foretold the future. In addition, hewn out of the cliff two rather large pit filled with water. One opinion is that the water-filled wells is a natural "mirror" reflecting the sky and star figure. Possible and use them to dissolve in the water the wine, which had among the ancient Thracians very important ritual.