| Category | Rivers |
| Continent | Brucrumus |
| Region | Faeglor |
| Map | Riwthor |
Heki Hrolmir is a lava artery of the Great Vein of Surtur. It begins at the Sifleif Spigot, flowing south where it branches east and south. Downstream it feeds the Tîrbalzôn volcano. Before the closure of its eastern flow, it fed a volcano in Kazrâ and one on the Core Sea island Hirsenal.