The Three Peaks Cairngorms Challenge: Ben Macdui (1309m), Cairn Gorm (1245m) and Braeriach.(1296m) A adventure challenge through the heart of Scotland’s National Park.Tackle the country's second and third highest mountains, journey through rugged alpine landscape, breathtaking granite wilderness and sweeping glens. Afterwards, head to the magnificent Dalnacardoch Estate to learn about Durrell's first conservation project in Scotland.