Beginning with two tributaries in the Vorkani Mountains, the Tumen River ran between the mountains and the Naktong Moors, and flowing into the Sea of Kozakura near Konang Pen. It formed the border between the Koryoan kingdoms of Silla in the north and Koguryo in the south.
- ↑ Like many sites in Koryo, the Tumen River shares a name with a real-world counterpart: the Tumen River, which lies on the border between North Korea, Russia, and China.
- ↑ 1.0 1.1 Mike Pondsmith, Jay Batista, Rick Swan, John Nephew, Deborah Christian (1988). Kara-Tur: The Eastern Realms (Maps). (TSR, Inc). ISBN 0-88038-608-8.
- ↑ Mike Pondsmith, Jay Batista, Rick Swan, John Nephew, Deborah Christian (1988). Kara-Tur: The Eastern Realms (Volume II). (TSR, Inc), p. 126. ISBN 0-88038-608-8.