: HEC-GeoRAS is not compatible with ArcGIS Pro. For modern GIS workflows, users are encouraged to use RAS Mapper or explore newer USACE tools like HEC-GeoEFM which offer ArcGIS Pro toolbox support Installation & Troubleshooting Tips Clean Installation
Ensure your Data Frame and all input layers (DEM, Shapefiles) share the same Projected Coordinate System. Geographic coordinates (Lat/Long) will cause calculation errors. hec georas for arcgis 10.8
: Users on older builds may still see version 10.2 as the "official" verified version, but it may require workarounds on newer Windows operating systems. System and Software Requirements : HEC-GeoRAS is not compatible with ArcGIS Pro