Why this matters
Derreenasalt is a likely early-medieval ringfort, indicated by its circular platform and fosse, situated on a drumlin summit. The site is associated with local folklore referring to "fairy forts," reflecting traditional beliefs in otherworldly inhabitants.
Overview
indicated — Derreenasalt is recorded as Enclosure in Roscommon. Marked as a circular feature (diam. of the OS 6-inch map, and situated on the summit of a drumlin.
Who made it and when
The saved account records: Marked as a circular feature (diam.
How it was made and used
The saved account records: D 0.7m) and an outer bank (at S: Wth 1.5m
What was found
The saved account records: of the OS 6-inch map, and situated on the summit of a drumlin.
What remains
The saved account records: H 0.3-0.6m) defined by a fosse (at S: Wth of top 3m
Why it mattered
indicated — Derreenasalt matters as a recorded enclosure tied to an exact landscape. The account keeps what is known useful while leaving names, dates and claims unsupported by the source visibly open.
History checked 15 August 2026 against the named sources below.
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