1000 lingas kulen national park. A hike to Kulen Waterfall and National Park will reward you with breathtaking views of the surrounding forested mountains.1000 lingas kulen national park. A hike to Kulen Waterfall and National Park will reward you with breathtaking views of the surrounding forested mountains. Explore Phnom Kulen National Park for 8-hours with a friendly and professional guide. Venture into the mountain to take memorable photos with family or friends. Listen to stories about the Linga-Cult on top of the mountain, which is dubbed as the most sacred peak in Cambodia.