ORKNEY AND SHETLAND : Outstanding circular walksIn Orkney, the first walk is a short stroll around Hoxa Head with its extensive views across Scapa Flow and subsequent routes go on to explore more widely over Mainland Orkney and take in the islands of Hoy, Rousay and South Ronaldsay, concluding with a ramble along the breathtaking clifftops of Yesnaby . n Shetland, the first walk sets out from Sandsayre jetty to the tiny island of Mousa. Walks range across Shetland from wild and remote Hermaness, on