The Garavogue or Garvoge (Irish: An Gharbhóg is a river in County Sligo, northwest Ireland, known historically as the Sligeach or Sligo River. Garavogue is not the original name of the river, which was earlier and for centuries called the Sligeach, a name meaning abounding in shells, by the native local population. The river gave its name firstly to the town tha…The Garavogue or Garvoge (Irish: An Gharbhóg is a river in County Sligo, northwest Ireland, known historically as the Sligeach or Sligo River. Garavogue is not the original name of the river, which was earlier and for centuries called the Sligeach, a name meaning abounding in shells, by the native local population. The river gave its name firstly to the town that grew up on its banks from the 13th century, and then to the county that was established in the late 16th and early 17th century. This name can be traced in ancient annals and other sources attesting to it for over 1,500 years.