GeoHECRAS is a river modeling software used to compute water surface profiles for steady and unsteady flow models, bridge and culvert roadway crossings, FEMA floodplain encroachments, stream restorations, inline reservoir structures, off-channel storage areas, and much more. GeoHECRAS provides an easy-to-use, single graphical platform to rapidly create stunning HEC-RAS models and 3D visualizations from a variety of different data sources like AutoCAD, MicroStation, ArcGIS, Google Maps, Bing Maps, and more.