The crater has diameter of 70 meters and it is 20 meters deep. It was discovered in 1971 it is thought the crater had some poisonous gas in it and it was burned in order to burn off all the poisonous gas. The estimated time for burning out of the whole gas was thought to be few weeks however the crater is burning till today.
The name Door To Hell is given by locals because of the flame and boiling mud in the crater.
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