Hekla is a extinct volcano located in Iceland. The area surrounding Hekla is full of supernatural activities. At its foot is a chasm where ghosts of drowned men will traditionally appear upon their day of drowning. Other phenomenons include a form of fire that fails to ignite tinder, and a form of water that will burn like wood.
Hekla happens to be locate near Snaefells Jokull.
Source material[]
Hekla appears in Tommaso Porcacchi's Le isole piu' famose del mondo ("The Most Famous Islands of the World," 1572). In real-life Hekla is an actual Icelandic volcano.