Aboard the Caledonian Sleeper by Dave Douglas Davis Inverness is the gateway to the north of Scotland and the Scottish isles. The ancient Gaelic city on the River Ness is a launching point for explorers targeting Loch Ness, Skye, the Outer Hebrides, the Orkneys, and even the Shetlands. And although there are many ways to get to the UK’s northernmost city, the most…