The Princess Maha Chakri Sirindhon Herbal Garden

is located within the grounds of the Petroleum Authority of Thailand, about 25 kilometres from town on Highways No. 36 and No. 3191 in Nikhom Phatthana sub-district. It is a center of various herbal research. Open daily form 8.30 a.m. – 4.30 p.m. Tel: (038) 6818147-30.