The Khao Ta Monglai Forest Park is located in Prachuap Khiri Khan Province. It has been declared as a forest park by the Royal Forest Departmentcovers in the year 2011 and covers an area of 1.37 km²
The park consists of two peaks ( 290-320 m) with slopes of more than 35 degrees. Most of the area are high cliffs and some of which jutted into the sea.
The stamp was issued in the series "Unseen Thailand".