 Namtok Yong National Park is at the boundary to Thung Song District, protecting forested hills of the Nakhon Si Thammarat Range and includes several waterfalls.On 9 June 1975 the two "tambons", Na Bon and Thung Song, were split from Thung Song District to form the new minor district ("king amphoe") Na Bon.On 13 July 1981 it was upgraded to a full district.