Nakon Nayok (sometimes written Nakhon Nayok) is a beautiful little Thai province, only 100km east of Bangkok. The province sits on a plain at the foothills of Khao Yai National Park. The mountains of Khao Yai feed the many streams and rivers. Although only a small province, it is well known to Thais who flock here at weekends and holidays to play in the refreshing water of its renowned rivers and waterfalls.