Day Walks on the Pembrokeshire Coast features 20 classic coastal routes between 6.5 miles and 13 miles (10.4km and 20.8km) in length, suitable for hillwalkers of all abilities. Local author and walker Harri Roberts shares his favourite walks in the national park, including a meander along Bosherston Lily Ponds - a series of interconnected lakes, rich in wildlife; the 650-million-year-old sea cliffs of St Brides, studded with the less-common, upland-loving sessile oak; and retracing the steps of Wales's patron saint, from St Davids to St Justinian's. The routes are in five areas: the South...