Discover the Phnom Kulen National Park with a full-day guided tour departing from Siem Reap. Explore the natural wonders and ancient treasures of the Phnom Kulen National Park on this full-day tour from Siem Reap. Discover ancient Khmer ruins, receive a blessing at the sacred River of a Thousand Lingas, visit the famous Reclining Buddha, and take a swim beneath the Kulen Waterfall.