Arunachal finds mention in the literature of Kalika Purana and Mahabharata. This place is supposed to be the Prabhu Mountains of the Puranas. It was here that sage Parashuram washed away his sin, sage Vyasa meditated, King Bhishmaka founded his kingdom and Lord Krishna married his consort Rukmini.
Ganga Lake (Gyaker Sinyi), a normal Lake also famous as Gyaker Sinyi (confined water). All it takes 15 mins dirve from Itanagar, which takes visitors through a few wonderfully ancient jungles amongst bamboo groves, orchid masses about tall trees, which are select from that vegetation that can be dubbed by this interested travelers. Quitting at the base out of a hill, one had in order to take a flight out of steps uphill. At the zenith of their ridge one looks like it's down on a tranquil green forest lake which we had in order to cross in on a row boat. Today, it is an attractive spot for outings, boating and picnics.