Nhong Khu Sivilculture Reserch Station is the conservation area for Sumatran Pine which is considered the best species growing in the plain. It is the co-project between Thailand-Denmark covering 625 rai. The prominent note is that it is the only Sumatran Pine growing in the plain in Thailand. It is located 35 kilometers far from Surin Province on Surin-Sangkha Road. This is another place for relaxation of people in Surin Province.