| Category | Rivers |
| Continent | Brucrumus |
| Region | Faeglor |
| Map | Riwthor |
Heki Hrolmir constitutes a lava artery of the Great Vein of Surtur. Originating at the Sifleif Spigot, it flows southward, branching eastward and southward. Downstream, it channels into the Tîrbalzôn volcano.