From Cao Bang city, following Highway 4A (former provincial road 206), getting over 60 kilometers through Ma Phuc and Khau Lieu pass to Trung Khanh town then drive for 25 more kilometers, we can finally reach Nguom Ngao cave.
Nguom Ngao cave is located in Gun village, Dam Thuy commune, Trung Khanh district, Cao Bang province, in the middle of Gioc Village Waterfall Tourism Area, which has been approved by the Prime Minister as National Tourism Area since 2007. This cave was discovered in 1921 but officially put into tourism in 1996.