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Caledonian Canal,waterway, c.60 mi (100 km) long, cutting across Highland, N Scotland, from Moray Firth to Loch Linnhe by way of the Great Glen. It was built in two phases (1803–22 and 1843–47; opened 1822) to save shallow-draft vessels the circuitous route around N Scotland. Of the waterway, 38 mi (61 km) consists of the natural waters of Lochs Ness, Oich, and Lochy. The canal has 29 locks and is used primarily for fishing and leisure boating.
a waterway in Scotland, followingthe depression of the Great Glen of Scotland from Loch Linnheto Moray Firth (at the city of Inverness). The Caledonian Canal links Loch Lochy and Loch Ness. It is 88 km long, of which 32km is an artificial canal. There are 29 locks. The canal was builtin the early 19th century; it now has limited importance as atransportation route.