Woman and her dog at Merthyr Mawr, Wales, UK. The area has wonderful sand dunes leading to a beach with views of Ogmore on sea and Penarth. The area is very popular with walkers and those who enjoy sand sledging. . These are the second highest sand dunes in Europe. The area is a desinated Site of Special Scientific Interest ( SSSI ) due to its unique formations and , wealth of wild floweer and insect life.