Khuean Sirikit at Tha Pla district some 68 kilometres from town on the Uttaradit-Tha Pla Road, is the countrys large earthen dam. Built to dam up the Nan River, the dike is 800 metres long. Beyond the dam is a large lake with beautiful scenery. During the cool season, the attractively landscape terrain bursts out in a profusion of colourful flowers and blooms. There are accommodation and boating services available.