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Castallan River

From Mystara

Campaign Lore

The river forms at the base of the Altan Tepes mountain range in the Karameikos and flows south into the Grand Duchy.

Due to the number of neighboring states and the regions reputation for lawless and chaotic settlements, the source of the river is considered a strategic asset which needs to be monitored and defended, as the river could provide a fast route for an invading army or horde. For this purpose, Castallan Keep serves as the monitor and first line of defense for Karameikos.

The strategic value of the river's source is nothing new as there are more than one site of previous keeps from times unknown.