The Caledonian Canal , which extends from Loch Linnhe in the south-west , via Loch Ness to the Moray Firth in the north-east splits this area from the rest of the country .
The Caledonian Canal , which extends from Loch Linnhe in the west , via Loch Ness to the Moray Firth in the north splits this area from the rest of the country .