"Iron wood." A wood situated east of Miðgarðr. It is the home of an ancient witch or giantess who bears many jötnar for sons, and all in shape of wolves; and they are the progenitors of wolves. One of these, the mightiest, is called Mánagarmr, and at the time of Ragnarök he shall fill himself with the life-blood of everyone who dies, and shall then swallow the heavenly bodies.
- Gylfaginning, 12,
- Völuspá, 32.