Gaoligonshan 2013 Expedition Report - Editors : Alexey Zhalov & Boyan Petrov. Description of the caves: Alexey Zhalov. Photos: Alexey Zhalov, Boyan Petrov, Zhang Fan. Edition of © Bulgarian Caving Society , November 2016.This report details the joint Chinese-Bulgarian expedition carried out by members and friends of Bulgarian Caving Society in collaboration with the Yunnan Institute of Geography & China Exploration & Research Society (CERS)- Yunnan branch. The primary aim of the 2013 joint Chinese-Bulgarian expedition was to continue the exploration of caves in Gaoligongshan Mountain and some unexplored adjacent areas in Yunnan Province of China. Six speleologists from Bulgaria and four from China took part in the survey carried between 4 and 14th November 2013. During the expedition 14 caves with total length of 2302.60 m and depth of 379.06 m were studied and mapped. Xian Ren Dong next to MengnuozСen village was the most significant cave explored by the team. Its length was measured to be 1863.70 m. Rich cave-dwelling fauna was collected from 6 of the caves and three species of carabid beetles was proved and described as new to science.