The Crooked River rises in Loughan Macmartin at the top of

Slieve Rushen Slieve Rushen is a mountain which straddles the border between County Cavan in the Republic of Ireland and County Fermanagh in Northern Ireland. It is also called Slieve Russell or Ligavegra (also Legavagra, Ligavagra). It has an elevation of 4 ...

Mountain, in the townland of

Carrowmore Carrowmore (, 'the great quarter') is a large group of megalithic monuments on the Coolera Peninsula to the west of Sligo, Ireland. They were built in the 4th millennium BC, during the Neolithic (New Stone Age). There are 30 surviving tombs wi ...

, Parish of

Tomregan Tomregan (, ) is a civil parish in the ancient barony of Tullyhaw. The parish straddles the border between the Republic of Ireland and Northern Ireland. The largest population centre in the parish is Ballyconnell, County Cavan. The total are ...

, Barony of

Tullyhaw Tullyhaw (, which means 'the Territory of Eochaidh', an ancestor of the McGoverns, who lived ) is a Barony in County Cavan in Ireland. The area has been in constant occupation since pre-4000 BC. Located in the northwest of the county, it h ...

County Cavan County Cavan ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Ulster and is part of the Northern and Western Region. It is named after the town of Cavan and is based on the hi ...

Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...

. It then flows in a southerly direction and discharges into the

Shannon–Erne Waterway The Shannon–Erne Waterway () is a canal linking the River Shannon in the Republic of Ireland with the River Erne in Northern Ireland. Managed by Waterways Ireland, the canal is in length, has sixteen locks and runs from Leitrim village in ...

in the townland of

Derryginny Derryginny is a townland in the Parish of Tomregan, Barony of Tullyhaw, County Cavan, Ireland. Etymology The townland name is an anglicisation of the Gaelic placename "Doire Goinimhe" which means the 'Oakwood of the Sand', which possibly der ...

. It has a fish population of brown trout, pike, minnows, stoneloach and perch.

References

Rivers of County Cavan {{Cavan-geo-stub