Cairn Catto is a Neolithic long cairn near Longside, Aberdeenshire, Scotland. The extant monument measures 47.18 by 18.28 metres (154.8 ft × 60.0 ft). The Arbuthnot Museum in Peterhead houses two stone axes that were found at Cairn Catto in 1885.
Coordinates: 57°28′10″N 1°52′41″W / 57.4694°N 1.8780°W