The river Leven flows seven miles from its source in Loch Lomond to the Clyde at Dumbarton. It was used by Viking raiders who hauled their longships from Loch Long at Tarbet and, after marauding around the shore of Loch Lomond, sailed to the Clyde by the river Leven. The beauties of Loch Lomond brought some of the earliest tourists to the area in the eighteenth century and the Loch became a sought-after destination, despite the mean accommodation available in the local inns and crofts. Towards the end of the century, certain of the landowners who controlled the shores of the Loch began to build for themselves, substantial mansions. Accommodation for the public also improved, particularly after the publication of Walter Scott’s novel “Rob Roy” in 1817, and the introduction of the steamboat Marion to the Loch the following year. For example, the hotel at Inversnaid opened in1820 and was...