Ásbyrgi Canyon (Shelter of the Gods) is a spectacular horseshoe-shaped depression, a glacial canyon ,and forest in the northeast of Iceland, steeped in folklore. The horseshoe-shaped depression is part of the Vatnajökull National Park and measures approximately 3.5 km in length and over 1 km wide.Viking settlers believed to be a hoof-print formed by Sleipnir, Odin's eight-legged flying horse from Norse mythology. Geologists believe that Asbyrgi was formed as the result of a catastrophic flood from the nearby Jokulsa glacial river.Some people say that it is the capital of the Hidden People in Iceland.