Just as the beyuls themselves seem to be more than legend, so are the stories of a grisly end if you try to enter one when the time isn't right or if you heart is not as pure as you think. In 1962, a respected Tibetan lama named Tulshuk Lingpa claimed to have found a map that would lead to the Beyul Demoshong, the gateway of which was rumoured to be somewhere on the slopes of Mount Kanchenjunga, the world's third highest mountain.