Lanark Loch is a man-made loch in the town of Lanark, South Lanarkshire. It was built in the 19th century as a space for recreation for the townsfolk. Facilities on the site include a pitch-and-putt course, children's play facilities, boating and fishing. The Inn on the Loch sits on the north-east bank of the loch and is a long established business, providing limited accommodation as well as a café and restaurant.