Phnom Kulen National Park is a protected area located in the northern region of Cambodia, approximately 50 kilometers northeast of the city of Siem Reap. The park covers an area of over 40,000 hectares and is home to a variety of flora and fauna, as well as several important cultural and historical sites.

One of the most popular attractions in Phnom Kulen National Park is the Kulen Waterfall, a series of cascading waterfalls that flow down from the mountain. The waterfall is a popular spot for swimming, picnicking, and hiking, and offers stunning views of the surrounding forest and mountains.

Another popular attraction in the park is the River of a Thousand Lingas, a series of carvings in the riverbed that were created during the Angkor period. The carvings depict various Hindu deities and symbols, and are believed to have been created as a form of worship and offering.

Phnom Kulen National Park is also home to several important temples and religious sites, including the Preah Ang Thom temple, which is home to a giant reclining Buddha statue that dates back to the 16th century. The temple is a popular pilgrimage site for Buddhists and offers stunning views of the surrounding countryside.

Visitors to Phnom Kulen National Park can explore the park on foot or by car, and guided tours are available for those who want to learn more about the park's history and ecology. The park is open daily from 7:30am to 5:30pm, and admission fees apply.