Ang Trapeang Thmor (ATT) is located in Phnom Srok in the north-west of Cambodia, 110 km northwest of Siem Reap. ATT Protected Landscape was created by Royal Decree in the year 2000 covers an area of 12,650 hectares of wetlands, grassland, dry dipterocarp forest, bamboo forest, and the open water surface. Ang Trapaeng Thmor known by locals people because of its man-made reservoir originally built using forced labor during the Khmer Rouge.
Nowadays, this important conservation area is well known as the feeding reserve for the tallest flying bird Sarus Crane (Grus Antigone) that typically arrive at the site in January and stay until May when they return to the Northern Plains and other sites across the country for breeding.
Ecotourism to ATT plays an important role to support the conservation works of the site, local communities have been encouraged to provide services like local guiding, cooking and so on to generate extra income for a living.