Lena Pillars is the name given to a natural rock formation along the banks of the Lena River in far eastern Siberia. The pillars are 150–300 metres high, and were formed in some of the Cambrian period sea-basins. The highest density of pillars is reached between the villages of Petrovskoye and Tit-Ary. The Lena Pillars Nature Park was inscribed on the World Heritage List in 2012. The site lies around 180 kilometres, less than a day's boat ride, upriver from the city of Yakutsk, the capital of the autonomous Sakha Republic. Wikipedia
