First, understand that ‘Nagalapuram’ is a name of a town in the Andhra Pradesh. And ‘Nagalapuram waterfalls trek’ is different than just reaching the ‘Nagalapuram town’. ‘Nagalapuram waterfalls trek’ is around 18 Kms from the ‘Nagalapuram town’. Nagalapuram trek is almost a flat trek and it should not be tough to find a 6×6 ft of space just beside the trail. But you might have to clear the bushes to make a perfect camping ground.
To reach Nagalapuram waterfalls, The road from Nagalapuram to Arai village passes through the Pichatur town. This village is also the base village of the Nagalapuram trek. From Pichatur, Arai village is around 11 Km. Once you reach Pichatur, you can also ask locals for the Arai village and they will guide you towards you the village