Qualla: Castleskreen

Castleskreen: Introduction

Sun, 24 May 2026 00:00:00 GMT

Photo credit CC0. The drumlin is a kind of geological signature - a low, smooth hill of glacial till left behind when the last ice sheet retreated about 13,000 years ago. South Down is full of them. Most are unremarkable. The one in the townland of Castleskreen, just south of Downpatrick, is different. People started building on it perhaps as early as the first millennium AD. They put up a ringfort. They abandoned it. They came back and built again. In the fifteenth century, someone added a tower house. When the Archaeological Survey of Northern Ireland excavated the mound in 1951 and 1958, they found layer after layer of intermittent human occupation reaching back through more than a thousand years.

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Image: CC0

Castleskreen: The Townland

Sun, 24 May 2026 00:00:00 GMT

Photo credit Eric Jones, CC BY-SA 2.0. Castleskreen covers about 336 acres of farmland south of Downpatrick in County Down, in the civil parish of Bright and the historic barony of Lecale Upper. To the east lies the townland of Islandbane. Erenagh sits to the north, Corbally and Ballydonnell to the west, Ballynewport ...

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Image: Eric Jones | CC BY-SA 2.0

Castleskreen: What's in the Name

Sun, 24 May 2026 00:00:00 GMT

Photo credit Eric Jones, CC BY-SA 2.0. The name Castleskreen has wandered. In the fourteenth century the site was apparently called Grenecastell - "green castle." Ecclesiastical documents from 1306 mention a Capella de Grencastell, and a 1408 reference uses the Latin Capella St Finiani de Viride Castro, "the chapel of...

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Image: Eric Jones | CC BY-SA 2.0

Castleskreen: The Rath

Sun, 24 May 2026 00:00:00 GMT

Photo credit Eric Jones, CC BY-SA 2.0. The earliest occupation of the Castleskreen drumlin was a ringfort - the kind of circular earthwork settlement that dotted early medieval Ireland by the tens of thousands. The 1951 and 1958 excavations identified what archaeologists called Phase 1: a rath without any obvious surr...

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Image: Eric Jones | CC BY-SA 2.0

Castleskreen: The Tower House

Sun, 24 May 2026 00:00:00 GMT

Photo credit Ardfern, CC BY-SA 3.0. In the fifteenth century, on top of the long-abandoned rath, someone built a tower house. Tower houses were the standard fortified dwellings of late medieval Ireland - small stone keeps with vaulted ground floors, narrow windows, and chambers stacked above for the lord and his ho...

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Image: Ardfern | CC BY-SA 3.0

Castleskreen: What the Excavation Found

Sun, 24 May 2026 00:00:00 GMT

Photo credit Eric Jones, CC BY-SA 2.0. The 1951 and 1958 digs were undertaken with the explicit aim of recovering the full ground plan of the tower house and clarifying its relationship to the surrounding enclosure. Those aims were not fully achieved - the excavation was limited in extent - but the soil studies done b...

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Image: Eric Jones | CC BY-SA 2.0

Castleskreen: A Drumlin Reads Itself

Sun, 24 May 2026 00:00:00 GMT

Photo credit Ardfern, CC BY-SA 3.0. Stand on the rise at Castleskreen today and you can still read the basic shape of what was here. The circular outline of the rath. The masonry stump of the late medieval tower. The central depression that may have watered cattle a thousand years ago. To the north, the field still...

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Image: Ardfern | CC BY-SA 3.0