Virachey National Park, located in the northeastern part of Cambodia, is one of the country's most important protected areas. Spanning over 3,325 square kilometers, the park encompasses diverse ecosystems, including lowland tropical forests, mountainous terrain, and upland plateaus. It borders Laos and Vietnam, making it part of the tri-border Pan Indochina region, an area of significant biodiversity. Established in 1993, Virachey National Park has remained largely unexplored due to its remote access, thus preserving its pristine nature. The park serves as a habitat for numerous endangered species such as Asian elephants, clouded leopards, and sun bears. Bird enthusiasts can find various rare species like the giant ibis and the hornbill. The park's landscape features dramatic waterfalls, winding rivers, and a range of mountains including Phnom Veal Thom. Despite its protected status, Virachey faces threats from illegal logging and poaching. Eco-tourism and community-based tourism projects are developed to encourage sustainable use of the park's resources. Visitors can engage in adventurous activities like jungle trekking and wildlife spotting, and have the opportunity to learn about the indigenous communities living around the park.