Rajgir or Rajagriha meaning the abode of Kings has been mentioned fist in the ancient Hindu epic Mahabharata as the capital of Magadh, ruled by the mighty King Jarasandha. Although the exact time of the origin of this city has not been established, it is estimated by scholars that it must be around 3000 years old.
Rajgir has been mentioned in Ancient Buddhist and Jain scriptures and also in the travelogues of Buddhist travellers Huen Tsang and Fa Hian who visited India during the Mauryan and Gupta times. The city has been divided into two parts, the old fortified city which lies in the valley surrounded by five hills namely: , Chhatha, Ratna, Saila, Sona,Udaya, Vaibhara and Vipula ; and the new city established by Ajatshatru, the son of Bimbisara and a contemprary of Lord Buddha.
Rajgir has been closely related to Hiduism, Buddhism and Jainism and has played host to Lord Buddha and Mahavira; thus has many archeolgical sites related to Buddhism and Jainism.
There are several train and buses are available from Patna, Capital of Bihar State. Patna is well connected by air and rail.
The main attaction of Rajgir is Buddhist Temple on the Mountain. Walk there is enjoyable; there's also a rope-way.
Other attraction include hot springs.
Take a deep bath is hot spring (Kund).