It is located in the south of Magelang, on the beginning of 40 km road to Yogyakarta.
It is said that the gods placed the nail to prevent the Java island from tremor and sinking.
[1] On the historic Kedu Plain and not far north from Borobudur this hill is believed to have significance and power in the network of Javanese sacred places.
Although different in character and associations it can be compared to the hill on the southern slope of Mount Merapi – Turgo within the network of sacred places.
Mount Tidar hosts the Akademi Militer (Military Academy) that trains future army personnel.