The Burn of Ayreland (or Ireland) is a northwesterly flowing coastal stream on Mainland Orkney, Scotland, that discharges to the Clestrain Sound about two miles south of Stenness.[1] Draining chiefly agricultural lands elevated mosses and moorland. This stream has a notable lack of turbidity and a pH level of approximately 8.[2] Armouring of the stream bottom consists of pebbles, cobbles and occasional boulders.