10.8 [verified]: Hec Georas For Arcgis

To use HEC-GeoRAS with ArcGIS 10.8, you must ensure you have the specific compatible version, as the Hydrologic Engineering Center (HEC)

With HEC-RAS 5.0+ supporting 2D flow, HEC-GeoRAS 10.2.1 adds limited but useful tools: hec georas for arcgis 10.8