Pamba is the third longest river in Kerala and one of the most important pilgrim centre. River Pamba is considered as the Dakshina Ganga due to its association with Kerala's largest Pilgrim Centre - Sabarimala. Pamba is the most important and holy spot on the way to Sannidhanam. It is here that Lord Ayyappa was found by King Rajasekara.
The Pamba river is as holy as the river Ganges. The Pamba water purifies one from curse and evil. The devotees take their holy bath at the confluence of the three rivers(Triveni ). This is created by the Lord as parallel to the Ganges (Dakshina Ganga). The famous Sabarimala temple is located on the banks of this river. It has got significance in the Hindu religion as it is believed that Lord Ayyappan has appeared as a child on the river banks.
It is considered as sacred to take a dip in this river as the people believe that it would wash away one’s sins. So the Ayyappa devotees take bath in this river which is considered as equivalent to taking a bath in the River Ganga. Perumthenaruvi waterfall which is a famous picnic spot is located on the banks of the river.