Khao Sam Roi Yot is a national park located in Prachuap Khiri Khan province, Thailand. Established in 1966, it covers an area of approximately 98 square kilometers and is known for its stunning limestone mountains, mangrove forests, and diverse wildlife. The park features beautiful beaches and wetlands, making it a popular destination for nature lovers and birdwatchers. The name "Khao Sam Roi Yot" translates to "Mountain of Three Hundred Peaks," reflecting its dramatic landscape. Visitors can explore various trails, caves, and viewpoints, including the famous Phraya Nakhon Cave, which houses a royal pavilion. The park is also home to numerous species of birds, making it a vital habitat for avian biodiversity.