Kota Gelanggi is a limestone cave complex in Jerantut, Pahang, Malaysia.
The latter is generally equated with the ruins and ancient tombs that can still be seen in Beruas district in the state of Perak.
[6] Speculation on the Johor site was published in a 2004 paper entitled The "Lost City" of Kota Gelanggi[7] by Raimy Che-Ross, an independent researcher.
In 2006, Khalid Syed Ali, Curator of Archaeology in the Department's Research and Development Division, said a team of government appointed researchers had carried out a month-long 'study' in July 2005 but found no trace of the "Lost City".
I estimate its fort to be approximately forty feet square, with three holes like windows along its walls", adding that the area was formerly his home and that of fifty other Orang Asli families, before they were moved out by the British due to the Communist threat in the late 1940s–50s.