Elcho Castle consists of an approximately Z-plan tower house, with evidence of a surrounding wall (a barmkin). It is a multi-storied structure with a large square tower at once corner, and three other integrated towers on the north-side.
Elcho Castle includes an approximately Z-plan tower house, showing evidence of a surrounding wall (barmkin). The castle has multiple levels with a prominent square tower at one corner and three other interconnected towers on the northern side.