Prehistoric sites in Northern Ireland

thumb|alt=A stone circle at Beaghmore County Tyrone on a sunny day.|A stone circle at Beaghmore.

thumb|Stone circle. thumb|Stone row. Corick () is a megalithic site and townland in the civil parish of Ballynascreen, County Londonderry, Northern Ireland. It includes a stone circle and a stone row. The Corick stone circles and alignments are located 2 km north east of Ballybriest court-tomb, 400 metres south of Corick clachan, near a stream. The stone alignments and circle are Scheduled Historic Monuments in Corick at grid reference: Area of H780 896.

Drumskinny () is the site of a stone circle in the townland of Drumskinny, County Fermanagh, Northern Ireland. With the inclusion of an adjacent cairn and alignment, the stone circle is a State Care Historic Monument in Fermanagh and Omagh district, at grid ref: H 2009 7072. The site was discovered in 1934 and excavated in 1962 and is believed to have been built around 2000 BC.

right|thumb|300px|Early archaeoastronomy began by surveying alignments of [[Megalithic stones in the British Isles and sites like Aughlish in County Londonderry in an attempt to find statistical patterns]]Aughlish (also Auglish) is a townland and the site of at least six stone circles and two stone rows, in County Londonderry, Northern Ireland, 3.6 km from Feeny.