# GRASS GIS 8.4.1 Reference Manual: Topic groundwater flow - GRASS GIS Manual
Author: GRASS Development Team

## Topic: groundwater flow

r.gwflow | Numerical calculation program for transient, confined and unconfined groundwater flow in two dimensions.
r3.gwflow | Numerical calculation program for transient, confined groundwater flow in three dimensions.

See also the corresponding keyword groundwater flow for additional references.

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