This book documents long-term studies of snow on high land in the Cairmgorms, including fresh snow lying in summer, the extent of snow on Ben Macdui plateau at the start of June, and dates of the first fresh lying snowfalls at the sites of the main snow-beds. It reviews data on the survival of snow patches through to the following winter, and recounts a decline of snow patches in recent decades. The author describes observations on rock lichens in relation to snow-lie, and lists vantage points o