The sweeping stretch of land on the Gower peninsula was chosen by travel writers ahead of Tennyson Down on the Isle of Wight and Redpoint Beach in the Highlands. Tim Locke, spokesman for the British Guild of Travel Writers, said: 'As well as all-time classics, there are real hidden gems in this list. They are all worth a visit. Dining alfresco is one of life's great pleasures. Last year it was named the best picnic spot in Wales in an online poll.