This park is located 63 kilometres south of Hua Hin. It occupies an area of 98 square kilometres with undulating ranges of limestone mountains, mangrove swamps, and beaches. It is also home to various kinds of local and migrating birds, which are plentiful from November to February.

With a large number of ridges, Khao Sam Roi Yot (or the mountain of 300 peaks) stands as a landmark for seamen and also provides a good shelter for ships during a storm. To get to the park, follow the direction signs marking the remaining distances of 38 and 15 kilometres at Km. 256 and Km. 286.5. respectively.