How can ArcGIS technology simplify/improve hydrology watershed analysis? No doubt that ArcGIS has powerful tools which makes the work very simple, fast and interesting.
There are tools in the Spatial Analyst toolbox:
And there ist the Arc Hydro solution with advanced pre and postprocessing tools:
https://www.esri.com/en-us/industries/water-resources/arc-hydro
Thank you.
To delineate multiple sub-catchments outlet take time.
Have a nice time .