Rathangan is centrally located on the Inland Waterways.

The Grand Canal Route starts in Rathangan, county Kildare and ends at Shannon Harbour in county Offaly or Lucan in County Dublin.  

The Barrow River Route starts in Rathangan, county Kildare  and ends at St Mullins in county Wexford.

  Locks

  Limit of navigation for Hire boats