County Cavan County Cavan County Cavan () is a county in Ireland. It is in the province of Ulster and is part of the Border Region. It is named after the town of Cavan and is based on the historic Gaelic territory of East Breffny ("Bréifne"). Cavan County Council is the local authority for the county, which has a population of 76,092 according to the 2016 census. Cavan borders six counties: Leitrim to the west, Fermanagh and Monaghan to the north, Meath to the south-east, Longford to the south-west and Westmeath to the south. Cavan shares a border with County Fermanagh in
County Offaly the county before joining Brosna near the town of Ferbane. The Grand Canal also runs across the county from Edenderry on the north-east to Shannon Harbour before joining the Shannon. The county contains many small lakes from Lake Boora to Pallas Lake and it also contains 42 hectares of swamp land. There are a number Eskers in the counties landscape including Esker Riada. Offaly largely comprises a flat landscape and is known for its extensive bog and peatlands. There are many large bogs in Offaly including the Bog of Allen, Clara bog, Boora bog and Raheenmore Bog which are spread