Rivers: What’s the New Terrain Type?

A “River” Region represents a very large and important River together with the surrounding river valley, floodplain or the like. They should be drawn as long, narrow, and meandering, like real rivers.   You should also mark the path of the river itself through the Region.

At some stage you should also determine which directions are “upstream” and “downstream,” though it’s often best to wait a little and see how the map develops before making this call. Feel free to change it at any later time, too, if that starts to feel as if it would make a better map!

If you’re continuing an existing River into a new Region, and you need to determine the new Terrain Type, roll on one of the following two tables.  The River may continue; it may end in a lake, marsh or sea; or you may come to its source in the hills or mountains.

Rivers – Heading Upstream

Consult the column for the appropriate Climate, then roll 1d6 to determine the new Terrain Type.  (Need a die roller?)

Temperate Alpine Coastal Humid Arid
1 New Climate Mountain New Climate New Climate New Climate
2 Hills Mountain New Climate Swamp Mountains
3 River Mountain New Climate Swamp Hills
4 River River River River River
5 River River Lake River River
6 Lake Lake Swamp Lake River
Rivers – Heading Downstream

Consult the column for the appropriate Climate, then roll 1d6 to determine the new Terrain Type.  (Need a die roller?)

Temperate Alpine Coastal Humid Arid
1 River River Lake River River
2 River River Swamp River River
3 River Lake Beach River River
4 Lake Lake Beach Lake New Climate
5 Lake New Climate Beach Lake New Climate
6 New Climate New Climate Beach New Climate New Climate

 

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