
1) Location in Norse mythology
Found on
https://www.crosswordclues.com/clue/hvergelmir

In Norse mythology, Hvergelmir (Old Norse `bubbling boiling spring`) is a major spring. Hvergelmir is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson. In the Poetic Edda, Hvergelmir is mentioned in a single stanza, which details that i.....
Found on
http://en.wikipedia.org/wiki/Hvergelmir

(from the article `Niflheim`) ...it was the last of nine worlds, a place into which evil men passed after reaching the region of death (Hel). Situated below one of the roots of ... ...Jötunheim, land of the giants; and the third into Asgard, home of the gods. At its base were three wells: Urdarbrunnr (Well of Fate), from which ... ...
Found on
http://www.britannica.com/eb/a-z/h/87
No exact match found.