River CityShape the watershed
Water inventory24 / 24 accounted
Catchment tableWater follows slope and stays in the watershed ledger.
A richly illustrated tactile watershed table with mountains, branching rivers, sediment, plants and River City
drainage divide
wetland storage
levee
rough planting
floodplain pond
River City
downstream
Cclay
Ssand
Ggravel
1Outer bank erodes
2Neck narrows
3Cutoff → oxbow
Flow continues downstream
BeforeTown: high / earlyDownstream: high / early
AfterTown: —Downstream: —
Select a plan to reveal where the water goes.
Cloud24
Hillslope0
Channel0
Storage0
Floodplain0
Outlet0
Sandbox

Shape a ridge, add rain, and find the drainage divide.

Every water token moves somewhere; none vanish behind an intervention.