The Riivtong is the large estuary and bay that splits through Nordeliik Viiriij . It is about 1,400 miles long, and acts as a perfect natural border between Ivanyc and Vosprym .
- During the War of the Sea and the Steel War , this estuary was used as a huge moat for Ivanyc 's southern defenses.
- At its widest inland point it is 200 miles wide.
- The water moving through the Riivtong is moving a rapid 42 mph.