County Meath High King of Ireland. It formed from the eastern part of the former Kingdom of Mide (see Kings of Mide) but now forms part of the province of Leinster. Historically, the kingdom and its successor territory the Lordship of Meath, included all of counties Meath, Fingal and Westmeath as well as parts of counties Cavan, Longford, Louth, Offaly and Kildare. The seat of the High King of Ireland was at Tara. The archaeological complex of "Brú na Bóinne" is 5,000 years old, and includes the burial sites of Newgrange, Knowth and Dowth, in the north-east of the county. It is
County Offaly Mountain which are the county's second and third highest peaks. Croghan Hill rises from the Bog of Allen and is located in northern Offaly. Although only 234 metres high, it is known for its view over the surrounding area and it stands out by itself. The floodplain of the River Shannon is in the north-western part of the county. The River Camcor runs through the town of Birr and is a Wild Trout Conservation Area. The River Brosna runs across the county from Lough Owel in Westmeath to Shannon Harbour. Silver River runs through several towns in the south of