Known locally as Caher-abhan, this is a caher, a type of ringfort built from dry-stone walling rather than earthen banks, and it sits just south of the Oweveen river, a tributary of the Cummeragh, in the Na Gearreidhní area of the Iveragh peninsula. At roughly 21 to 22 metres across internally, it would once have been a substantial enclosure. Today, its interior has been cemented over and subdivided with modern walls to serve as a sheep dip and pound, a pragmatic reuse that has done considerable damage to the archaeological fabric.

Despite the modifications, the southern section of the enclosing wall survives in reasonable condition, still standing 1.65 metres high and 2.8 metres wide, faced on the outside with flat, boulder-like slabs laid in rough horizontal courses. A gap at the north-north-west, about 1.5 metres wide, may mark where the original entrance once stood. A large stone slab lying just outside it, measuring roughly 1.45 by 0.8 by 0.3 metres, was identified by a researcher named O'Connell as a possible entrance lintel, the heavy capstone that would have spanned the doorway. O'Connell also recorded two guard-rooms set into the wall near the entrance, small recesses that are common features of more elaborate cahers, though these are no longer visible. The most intriguing detail emerged during the cementing work, when a cave was discovered at the centre of the site. This is likely a souterrain, an underground stone-lined passage associated with early medieval settlement and used variously for storage, refuge, or both. No trace of it can be seen at the surface today.