Based on a cave expert, Mr. Gilbert Manthovani and Dr. Robert K. Kho in 1984, it was declared that Guo Lowo is the biggest natural cave in Southeast Asia with approximately 800 meters of length, nine main rooms and some small rooms.
Berdasarkan ahli gua, Mr Gilbert Manthovani dan Dr Robert K Kho tahun 1984, Gua Lowo adalah gua alam yang besar di Asia Tenggara dengan panjang 800 meter, sembilan ruang utama dan beberapa ruang kecil.