Loch Ness

The 23-mile freshwater loch running south-west from Inverness through the Great Glen to Fort Augustus. By volume the largest body of fresh water in the British Isles, world-famous for the legend, and a working stretch of the Caledonian Canal between the east and west coasts.

Loch Ness (Loch Nis) is the long, narrow freshwater loch that fills the central section of the Great Glen, running roughly 37 km (23 miles) south-west from the outskirts of Inverness down to Fort Augustus. At its deepest it is around 230 metres, and by volume it holds more fresh water than every lake in England and Wales combined — a function of its sheer length and depth rather than its modest 1.5 km width.

The loch sits across two regions: the north and east shore is in the Inverness council area; the south and west shore drops into Lochaber. Both are well served by visitor infrastructure, but the west-shore A82 is by some margin the busier tourist road, with Drumnadrochit (the Loch Ness Centre, plus a couple of competing exhibitions about the legend), Urquhart Castle (the Historic Environment Scotland ruin perched on Strone Point), and Fort Augustus at the south-western end (where the Caledonian Canal climbs through five locks down into the loch) being the three obvious anchor stops.

The Loch Ness Monster (“Nessie”) has been the loch’s defining export since the 1933 Inverness Courier sighting that touched off the modern legend. Whatever your view of the cryptozoology, the legend is responsible for a meaningful share of the visitor economy that supports the local businesses around the loch — the boat-tour operators in particular run year-round services from Drumnadrochit, Inverness and Fort Augustus, and the Loch Ness Centre at Drumnadrochit treats the question with more nuance than most visitors expect.

For walkers, the Great Glen Way (a 117 km long-distance path from Fort William to Inverness, mostly flat-to-undulating) follows the south-east shore of the loch for much of its length, and the Caledonia Way cycle route uses the same shore. Both are well graded and well waymarked, and either is a reasonable two-to-five-day undertaking depending on which sections are walked or cycled.

Practical notes

The A82 west-shore road is busy in summer and slow at any time of year; the parallel B852 down the east shore is much quieter and offers some of the best loch-shore viewpoints (the Suidhe Viewpoint above Whitebridge in particular). Boat tours run from late March through October from all three main piers; off-season services are reduced. Urquhart Castle has timed entry in summer — book ahead. The legend is worth taking seriously as a piece of cultural heritage even if it isn’t worth taking seriously as zoology.

Places around Loch Ness

Trails through Loch Ness