Located on the southern bank where the Leaffony River meets Killala Bay's eastern shore, the site of Cabraghkeel Castle tells a story of lost heritage in County Sligo.

On the south bank of the Owenmore River in County Sligo sits a remarkably well-preserved medieval moated site, one of three defensive structures clustered within 100 metres of each other.

The moated site at Ballyfaris in County Sligo sits on a raised trapezoidal platform in what was once poorly-drained pastureland, with a stream running along its northern edge and higher ground rising immediately to the east.

On the summit of a rolling hill in Kilvarnet North, County Sligo, lies the remnants of a medieval moated site that offers a glimpse into Ireland's defensive architectural past.

In the pastoral landscape of Rathscanlan, County Sligo, a curious earthwork sits quietly in the level, wet ground.

In the quiet countryside southwest of Dunmoran Strand in County Sligo, a faint rectangular earthwork marks the site of what was once a medieval moated homestead.

In the rolling pastures of Carrigans Upper, County Sligo, a medieval earthwork sits quietly on a north-facing slope, its rectangular outline still visible after centuries.

On the south bank of the Owenmore River in Knockbeg West, County Sligo, lies a fascinating medieval moated site that offers a glimpse into Ireland's defensive architectural past.

On a north-facing slope with views stretching out to the Atlantic Ocean, the ringwork castle at Oldgrange in County Sligo stands as a compelling example of medieval fortification.

In the marshy lowlands where Cloonaderavally meets Lackan townland in County Sligo, a medieval moated site reveals itself through subtle earthworks that have survived centuries of Irish weather.

O'Dowds Castle stands as a formidable limestone fortress in the pastoral landscape of Cottlestown, County Sligo.

In the townland of Mountirvine, County Sligo, a medieval moated site sits quietly amidst marshy pasture, its earthworks barely distinguishable from the surrounding rushes.

On top of a ridge in the rolling pastures of Rathdoony More, County Sligo, stands an impressive earthwork that has puzzled historians for over a century.

In the valley of the Easkey River in County Sligo, the remnants of what was once Ballynahowna Castle sit quietly on a level terrace along the river's western bank.

In the damp pastures of Knockgrania, County Sligo, a medieval moated site sits quietly at the base of an east-facing slope, its earthworks still clearly visible despite centuries of weathering.