Khao Sam Roi Yot means “The mountain with three hundred peaks” and refers to a series of limestone hills along the Gulf of Thailand with the highest one at 605 meters asl. The main attractions of the national park are Phraya Nakhon Cave with its iconic royal pavilion and huge chamber, Kaeo Cave and Thung Sam Roi Yot Freshwater Marsh. The park is also a nice destination for its rich wildlife in freshwater marsh and mangrove forests, beautiful beaches, limestone islands, trails and viewpoints.