Finlarig Castle is an early 17th-century castle standing on a mound on a peninsula between the and Loch Tay, just over 1⁄2 mile (0.80 km) north of Killin in Stirling (formerly in Perthshire), Scotland. Built in 1629 by 'Black' Duncan Campbell (Donnchadh Dubh) of Glenorchy, the castle is an L-plan tower-house, formerly protected by an outer enclosure or barmekin, which is now in a dangerously ruinous condition. It was one of many strongholds built in Argyll and Perthshire by the Campbells of Breadalbane. The castle was visited by Rob Roy MacGregor in 1713.