"There appear to be no early descriptions of the castle. Ballincollig Castle was constructed on a limestone summit, with a clear line of sight over the low land of the Maglin Valley. Beneath the castle there is a dark natural cavern which runs into the rock and around it the remains of a moat."@en . "There appear to be no early descriptions of the castle. Ballincollig Castle was constructed on a limestone summit, with a clear line of sight over the low land of the Maglin Valley. Beneath the castle there is a dark natural cavern which runs into the rock and around it the remains of a moat."@en . . . "Ballincollig Castle"@en . . . . .