Located in Guanhu Town, Qingchuan County of Guangyuan City, on the northern edge of the Sichuan Basin, on the north-western side of Longmen Shan and in the southern foothills of the Motian Ling mountains. The IBA is bordered by Baishui Jiang Nature Reserve (CN169) in Wenxian County, Gansu Province to the north and Pingwu County to the west. It is highest in the north-west and lowest in the south-east. The vegetation shows prominent vertical zonation, with evergreen broadleaf forest (below 1,600 m), mixed evergreen and deciduous broadleaf forests and conifers (1,600-2,100 m), mixed broadleaf-coniferous forest (2,100-2,400 m), subalpine coniferous forest (2,400-3,600 m) and alpine scrub and meadows (above 3,600 m).
Non-bird biodiversity: Nationally protected plants include Davidia involucrate, Tetracentron sinense and Cathaya argyrophylla. Animals include Panthera tigris amoyensis, Panthera pardus, Neofelis nebulosa, Presbytis francoisi, Macaca mulatta, Manis pentadactyla, Viverra zibetha and Viverricula indica.
BirdLife International (2020) Important Bird Areas factsheet: Tangjiahe Nature Reserve. Downloaded from http://www.birdlife.org on 28/11/2020.