HEC-RAS Documentation

Welcome to HEC-RAS

Hydraulics Documentation

HEC-RAS User's Manual

HEC-RAS 2D User's Manual

HEC-RAS Mapper User's Manual

HEC-RAS Hydraulic Reference Manual

HEC-RAS 2025

Updates

HEC-RAS Known Issues

HEC-RAS Release Notes

Sediment Documentation

HEC-RAS 1D Sediment Transport

HEC-RAS 2D Sediment Transport

Mud and Debris Flow

Additional Resources

HEC-RAS Training

HEC-RAS Guides and Tutorials

HEC-RAS Applications Guide