Errigal Ringfort
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Ráth Aireagail | |
  Shown within Ireland | |
| Location | Errigal, Cootehill, County Cavan, Ireland |
|---|---|
| Coordinates | 54°03′56″N 7°06′14″W / 54.065652°N 7.103841°W |
| Type | ringfort |
| Area | 951 m2 (10,240 sq ft) |
| History | |
| Material | earth |
| Periods | Bronze or Iron Age (c. 2400 BC – AD 400) |
| Site notes | |
| Ownership | private |
| Designation | National Monument |
| Official name | Errigal |
| Reference no. | 585[1] |
Errigal Ringfort, also called Fort William, is a ringfort (rath) and National Monument located in County Cavan, Ireland.[2]