The Tumblestone River is a narrow river that originates in the hills north of the village of Arnglar in the Border Kingdoms and flows roughly northeast through the realms of Middle Mukshar and Nether Mukshar until it reaches the shores of the Lake of Steam, a total course of approximately 60 miles.^[1]

NotesEdit

1. ↑ Ed Greenwood. The Border Kingdoms. Wizards of the Coast. Retrieved on 2008-04-25.

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