River Finn (County Donegal) in the context of "Killygordon"

The River Foyle (from Irish An Feabhal) is a river in west Ulster in the northwest of the island of Ireland, which flows from the confluence of the rivers Finn and Mourne at the towns of Lifford in County Donegal, Republic of Ireland, and Strabane in County Tyrone, Northern Ireland. From here it flows to the city of Derry, where it discharges into Lough Foyle and, ultimately, the Atlantic Ocean. The total length of the River Foyle is 32 km (20 mi). The river separates part of County Donegal from parts of both County Londonderry and County Tyrone. The district of County Donegal that borders the western bank of the River Foyle is traditionally known as the Laggan. This district includes the villages of St Johnston and Carrigans, both of which are nestled on the banks of the River.

Lifford (Irish: Leifear, historically anglicised as Liffer) is the county town of County Donegal, Ireland, the administrative centre of the county and the seat of Donegal County Council, although the town of Letterkenny is often mistaken as holding this role.

Lifford lies in the Finn Valley area of East Donegal where the River Finn meets the River Mourne to create the River Foyle. The Burn Dale (also spelt as the Burn Deele), which flows through Ballindrait, flows into the River Foyle on the northern outskirts of Lifford.

Strabane (/strəˈbæn/; from Irish An Srath Bán, meaning 'the white river-holm') is a town in County Tyrone, Northern Ireland.

Strabane had a population of 13,507 at the 2021 census. It lies on the east bank of the River Foyle. It is roughly midway from Omagh, Derry and Letterkenny. The River Foyle marks the border between Northern Ireland and the Republic of Ireland. On the other side of the river (across Lifford Bridge) is the smaller town of Lifford, which is the county town of Donegal. The River Mourne flows through the centre of the town and meets the Finn to form the Foyle River. A large hill named Knockavoe, which marks the beginning of the Sperrin Mountains, forms the backdrop to the town.

Ballybofey (/ˌbælibəˈfeɪ/ BAL-ee-bə-FAY, locally /ˌbælbəˈfeɪ/ BAL-bə-FAY; Irish: Bealach Féich, meaning 'Fiach's pass') is a town located on the south bank of the River Finn, County Donegal, Ireland. Together with the smaller town of Stranorlar on the north side of the River Finn, the towns form the twin towns of Ballybofey-Stranorlar. The twin towns, a census town, had a population of 5,406 in 2022.

The River Mourne (Irish: An Mughdhorn) is a river in County Tyrone (between Strabane and Newtownstewart), Northern Ireland, and is a tributary of the River Foyle It is formed at the meetings of the River Derg and River Strule below Ardstraw. At Strabane it joins with the River Finn to form the River Foyle. Fishing is largely for salmon, grilse and sea trout. Other species such as Common Roach, Common Minnow, Northern Pike, European Eel, Perch and Sticklebacks can also be found in different stretches of the River on occasion.

The traditional folk song "The Moorlough Shore" (also called The Maid of Mourne Shore) refers to names and places along the river.