Example of a souterrain · not this siteSouterrain, Ringfort - cashel in the townland of Gortletteragh, County Donegal. Recorded ancient monument located in a Coillte forest (open to walkers under the Coillte open forest policy) (GORTLETTERAGH), an area open to the public. Not in State care: check local access before travelling.
Source: National Monuments Service – SMR (CC BY 4.0); Coillte forest boundary (Coillte, CC BY 4.0) · Ref DG078-039----, DG078-039001-
Example photo (Finnis souterrain, County Down): Albert Bridge · CC BY-SA 2.0
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