The limestone gorges shaped by the Vârghis brook in the Quaternary is one of the most spectacular natural wonders, landscapes in Szeklerland after the Bicaz Gorges. This place is a thrilling sight of the inner and outer part of the 150-miilion-year-old organic limestone mountain range deep under the southern Harghita, which anyone can admire. The Vârghis brook loudly rushing down the Harghita Madaras peak sawed through the limestone spine deep below, and the two sides of the valley are bordered by the steep, 40-50 m high limestone cliffs