A fine summer-day tour of the southern half of Loch Lomond, courtesy of Sweeney’s Cruises, starts and finishes at Balloch at the foot of the loch, where the River Leven begins its journey to the Clyde at Dumbarton.
Loch Lomond is the largest body of fresh water in Great Britain, covering 27 square miles and stretching 24 miles to Ardlui in the north. The Highland Boundary Fault crosses the loch, and the broad southern section includes numerous islands or inches, the largest of which is Inchmurrin.
The busy A82 to Crianlarich and Fort William stretches along the west side of the loch, but the eastern shore is much quieter, with only the minor road running through Balmaha (from where a boat can be taken to the island of Inchcailloch) and on to Rowardennan.
The West Highland Way hugs the eastern shore, and it is from Rowardennan that most people start their ascent of Ben Lomond, largest of the hills seen in the film. Ben Lomond is the most southerly of the 284 Munros, or Scottish hills over 3000ft, and also the most popular with the possible exception of Ben Nevis.
The hills to the south-west of the loch, above Luss and Inverbeg, are lower (none rises to 2500ft) but much quieter, giving some fine walking with excellent views.
The paddle steamer seen in the film is the Maid of the Loch, built in 1953 and currently undergoing restoration.