Location:
near Kosmach village, Kosmach UTC (United Territorial Community), Kosiv district
Lysyna Mountain is located 5 km west from the Plaiutsy settlement, Kosmach village, in the Pokuttia-Bukovynian Carpathians massif. Its height reaches 1465 m.
For many ancient people this mountain served as a sacred place, mediating heaven and earth, its axis and center, the sacral place where gods live. There were altars, shrines, stone statues or wooden idols on the mountain, used for sacrifice rituals, related to the birth of the Sun (December 25), the spring equinox (March 21), the summer solstice (June 21), the autumn equinox (September 22). This tradition was extended to the Slavs.
The stone complex on Lysyna Kosmatska Mountain is a calendar sanctuary. It is located on the southern slope of the mountain and covers an area of about 400 square meters. It is an elongated (10 × 40 m) in the east-west direction slope of giant stone slabs. Top enormous size slabs form longitudinal tunnel (about 6 m) in the northeast - southwest direction. At the entrance from the west side, its height is 1.2 m, width - 80 cm, on the east - height 70 cm, width - 50 cm. The right wall of the tunnel is a smooth monolithic slab, the left wall - two fitted to each other slabs. Four top giant sizes slabs serve as a tunnel overlap. 12 cup-shaped depressions are carved in the sanctuary, which probably symbolize 12 months, 12 zodiac signs, and the solar cycle.
The scheme of astronomical observations on the Lysyna Kosmatska coincided with the Stonehenge plan, an important element of which was the so-called alley and heel stone, which are directed to the northeast, towards the sunrise on the day of the summer solstice. In Lysyna Kosmatska the Stonehenge’s alley compliances to a stone tunnel. A stone fixed sunset on the day of the summer solstice in Stonehenge and in Lysyna Kosmatska this function was performed by a sacrificial pit.