HEC-RAS logo

Hydrologic Engineering Centers River Analysis System (HEC- RAS) software allows users to perform one-dimensional steady flow, unsteady flow, sediment transport/mobile bed computations, and water temperature modeling.


Operating System:

Available for:

How to Get Software

Use at Work

Use at Home


Use at Home

HEC-RAS is available for download and use by individuals outside of the Corps of Engineers without charge. HEC does not provide user assistance or support for this software to non-Corps users. This software is available to use in selected student computer labs.


For software documentation and a user's manual visit the HEC-RAS documentation page.

Available in These Computer Labs