Yak Loum is a lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 and a popular tourist destination in the Ratanakiri

Ratanakiri

Ratanakiri is a province in northeastern Cambodia that borders Laos to the north, Vietnam to the east, Mondulkiri Province to the south, and Stung Treng Province to the west. The province extends from the mountains of the Annamite Range in the north, across a hilly plateau between the Tonle San...

 province of northeastern Cambodia

Cambodia

Cambodia , officially known as the Kingdom of Cambodia, is a country located in the southern portion of the Indochina Peninsula in Southeast Asia...

. Located approximately 3 miles (5 km) from the provincial capital, Banlung

Banlung

Banlung is the capital of Ratanakiri Province in northeastern Cambodia. Banlung is 636 km from the Cambodian capital of Phnom Penh. Ratanakiri province borders Vietnam and Laos. Banlung is also the capital of the Banlung District. The city has a population of around 17,000 and the surrounding...

, the beautiful lake occupies a 4,000-year-old volcanic crater. Due to the lake’s tremendous depth (157 ft or 47.9 m), its water is exceptionally clean and clear. The lake is almost perfectly round and measures 0.45 mile (0.724203 km) in diameter. Large trees and rich, lush rain forest, the home of many exotic birds and parrots, surround the lake.