| Port | Distance to | Port |
|---|---|---|
| Mazgob | 110 miles | Midrurgrune |
| Midrurgrune | 30 miles | Anzar |
| Anzar | 50 miles | Guivre |
| Guivre | 40 miles | Famirótan |
| Category | Rivers |
| Continent | Brucrumus |
| Region | Cinazan, Grashakh |
| Map | Irudrarg River |
The northerly flowing river originates at the Mazgob swamp. Continuing north, the river passes the towering walls of Midrurgrune before entering the reverse-flowing Anzar Glacier. The river carves a natural tunnel through the ice, but assistance is required for the passage of ships. The ten-mile journey often necessitates stops to clear low-hanging ice, with the ever-present danger of falling ice shards. Once past the glacier, the river flows into the Guivre swamp and then merges with the wide waterways of the Famirótan river.
Irudrarg is a vital aquatic thoroughfare for vessels traversing to and from the Orchish Empire.