Udayagiri Fort which is Located about 100 kms. From Nellore district Andra Pradesh.Udaygiri fort height is of 3079 feet. It boasts of great natural beauty with lush vegetation and beautiful waterfalls. Access to fort is only by steps and there is no road to the fort.The ruined fort is attracting the Tourists in a big way. However, the acccess is only by steps and there is no road to the Fort. During the rule of the Gajapathis and the Vijayanagar Rulers, this Town grew to great splendour.
The ruins of 365 Temples found in the Town reflected the sculputure and archetecture of various periods. The structure on the hill such as the Ranganatha Temple reflects Chola culture, the Balakrishna Mandiram reflects Pallava culture and the Paruveta Mandapam reflects Vijayanagara Culture.The Hill of Udayagiri is also popularly known a Sanjeevi Hills as there are so many medicinal plants on the hill. This place can be developed on par with Golconda Fort of Hyderabad. It is possible to introduce attraction like Light and Sound Show etc.,