Rock formations of the Ulakhan Sis

Rock formations of the Ulakhan Sis

The Ulakhan-Sis Mountain Range is in the Sakha Republic, Far Eastern Federal District, Russia. This range is one area of Yakutia – which is one of the most isolated and distant portions of northern Russia. This area is largely unexplored and uninhabited – only being first mapped in 1870. It’s nearest inhabited neighbor to the south is the infamous Kolyma area of Russia that served as Stalin’s brutal gulags.

They’ve been getting a little more exposure lately with climbers and visitors making the treacherous thousand mile trip to the range. What makes it interesting is that the area is marked by fascinating baydzharakhs rock formations. Kigilyakh rock formations are also found on this range, some of them quite impressive.

Baydzherakhs are formed by a cryo-lithic process in which polygonal ice-wedges thaw within the permafrost and reach heights of 15-30 feet. They form a landscape of unearthly spires. Not that different than the Penitentes in the Atacama desert.

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