Deep in the teak forest in Phu Hoa commune, the southern province of Dong Nai, lies one of Southeast Asia’s longest volcanic cave systems that has remained untapped despite its extraordinary significance.
VOV.VN - A new passage has been found in Cave C7, which is part of the Krong No volcanic cave system and is notable for being the longest of its kind in Southeast Asia, stretching for a length of about 199 metres, said the Management Board of the UNESCO Global Geopark Dak Nong on December 13.
Some new passages have been found in Cave C7, part of the Krong No volcanic cave system – the longest of its kind in Southeast Asia, extending the length of this cave to over 1,240m.