Buiston Loch (NS 416 433) (locally pronounced /ˈbɪstən/), also known as Buston, Biston, and Mid Buiston was situated in the mid-Ayrshire clayland at an altitude of 90 m OD. The loch was natural, sitting in a hollow created by glaciation. The loch waters drained via the Garrier Burn that joins the Bracken and Lochridge Burns before joining the River Irvine. It is well documented through the presence of a 2000 year old crannog, first excavated 1880-1 and then documented by Dr. Duncan McNaught, the Kilmaurs parochial schoolmaster. Dr R. Munro and others.