Terrain types:

SOLID WALLS	CAVERNS	WATER

The Subterranean Rivers Theme brings a new level of depth and challenge to your maps. Carved by underground currents over centuries, these winding waterways create natural obstacles, hidden dangers, and dramatic landscapes. Whether you’re designing a treacherous crossing, a vast flooded cavern, or a labyrinth of twisting channels, this set lets you craft the perfect underground river system to match your narrative.
Use these tiles to create narrow rushing streams, deep underground lakes, or maze-like waterways that force players to navigate carefully. Every river bend, crumbling ledge, or darkened pool adds tension and excitement to your encounters.

Please Note

We highly recommend pairing Subterranean Rivers with Underground Caverns, as the Underground Caverns set provides seamless connections between many tiles in the Subterranean Rivers theme, making map-building easier and more versatile.