Lubang Buaya firstly called by an notable Betawi ulema in Jakarta, Syarif Hidayatullah (Datuk Banjir) because there are more crocodiles when he digged water hole.

This attracted strong opposition from Army commander Ahmad Yani,[1] but soon training commenced at the swampy region near Halim called Lubang Buaya.

[3] There is also a "Sacred Pancasila Museum" opened by then President Suharto on 1 October 1981 containing another 9 dioramas of the events before and after the coup attempt, relics such as an aqualung used during the recovery of the bodies from the well, a theater and an exhibition of photographs.

A small plaque reads: "It is not possible that the aspirations of our struggle to uphold the purity of Pancasila will be defeated by merely burying us in this well.

[5] There are several other buildings in the vicinity, including the one in which the kidnapped generals were allegedly mistreated (containing a life-sized diorama of torture), the movement's command post, and a canteen.