Ky Rang cave

Ky Rang cave (or Ghi Rang cave) is one of naturally-shaped cave located in the Thang Hen Ecotourism site, Quoc Toan, Tra Linh district, Cao Bang province. This cave is about 1.5km from the Thang Hen Lake. The geological evolution and tectonics have created marvelous landscapes.  

Compared to the previously-discovered caves of Cao Bang, Ky Rang cave might be considered as a masterpiece of the nature with magic and wonderful features that the mother earth has endowed the local people here. This cave was formed inside the Limestone Mountains with the same name, and covered with diversified vegetation.

Ky Rang cave (Geographical coordinates X=632648; Y=2518455; entrance elevation: 629m asl) is formed inside Ky Rang mountain and next to Ky Rang lake. This fossil cave is about 30m from the local corrosion base and is developed in two fault systems in NE-SW and NW-SE directions in limestone of Bac Son formation (C-Pbs). The cave is 417m long, about 34m deep, and 0.7-30m wide; the ceiling height ranges from 1m to 42m, gradually sloping from the entrance to the exit. It mainly consists of two large chambers separated by narrow and steep entrances. The cave is very clean and airy. The speleothemshere are large, beautiful and well preserved.