The River Boyne is one of Ireland's most celebrated game fisheries, flowing 112 kilometres through the storied Boyne Valley before reaching the sea just east of Drogheda in County Louth. Rising in County Kildare in an area of flat agricultural land approximately 8.5 kilometres west of Edenderry, the river traces the border of Counties Kildare and Offaly before entering County Meath, passing through the towns of Trim, Navan, and Slane along the way. The Boyne and its network of tributaries — including the Deel, Stoneyford, Athboy, Skane, Knightsbrook, and others — collectively form one of Ireland's finest game fishing catchments, offering exceptional opportunities for wild brown trout, Atlantic salmon, and sea trout. The river drains predominantly agricultural land, and its character shifts meaningfully from the upper reaches to the lower sections near the estuary, where the influence of tidal water brings a different suite of species and angling opportunities altogether.