Brief synthesisThung Yai-Huai Kha Khaeng Wildlife Sanctuary World Heritage property lies in Uthai Thani, Tak, and Kanchanaburi provinces in the west of Thailand, alongside the border with Myanmar. Thung Yai-Huai Kha Khaeng Wildlife Sanctuary encompasses two important river systems, the Upper Khwae Yai and the Huai Khakhaeng. Criterion (x): Thung Yai-Huai Kha Khaeng Wildlife Sanctuary has exceptional species and habitat diversity. IntegrityThung Yai-Huai Kha Khaeng Wildlife Sanctuary covers 622,200 hectares and incorporates two intact river systems whose watersheds are largely encompassed by the properties boundaries. Maintaining long-term conservation of wildlife and keeping the ecosystems in Thung Yai – Huai Kha Khaeng Wildlife Sanctuary intact and healthy greatly depends on the quality of management.