the area of ratchaburi province is divided into three parts. first, the border in the west which is shared with myanmar and is about long. the second contains the tenasserim mountains and forests with an elevation of about 200–300 meters. the central area of the province is rich in wetlands due to river flow. ratchaburi has important natural resources are forest which it have area about 38 percent of the province. moreover, it has minerals such as tin, tantalum, feldspar, quartz, limestone, and marlstone.