Royal Deeside and the Cairngorms, Scotland. Official Visitor Information site for accommodation, attractions, activities and events in Royal Deeside - Balmoral, Ballater, Banchory and Braemar area. Covering the eastern side of Cairngorms National Park in the Scottish Highlands, the area also covers the whole of Deeside and lies in the spectacular valley of the River Dee, flowing through some of Scotland's finest mountain scenery