- Undavalli Caves lies in the Undavalli village in the Guntur district of Andhra Pradesh. From the city of Vijayawada the caves are located at the distance of 8 km and 32 km from Guntur.
- These caves are located at the top of the high hills facing the Krishna River.These four stories caves are said to be found in the 7th century. They are associated with the Vishnukundin Kings of AD 420 – 620.
- These exotic caves of Undavalli were dedicated to the Anantapadmanabha and Narisimhaswami. According to the historical evidences Madhava Reddy who ruled this region as the subordinate under the Reddies of Kondaveedu gifted the caves to the temple of Anantha Swamy.
- It is also believed that these caves were used by the Buddhist monks as the rest houses. Some of the other shrines in the cave are dedicated to the Trimurti, Brahma and Shiva. These ancient Hindu cave temples holds the great importance among the Hindus in India.
- Akuna and Madanna Caves Akkana and Madanna, who were ministers in the court of Abdul Hasan Tanashah in the 17th century.and these rock-cut caves were named after them. Though Akkanna and Madanna were not responsible for the carving of these caves, they were actively associated with them as they had their Secretariat on these premises. These two were brothers or cousins or near relatives, (there are many versions about their relationship,) the duo had a glorious career and a tragic end.
- These caves are dated as they belong to 6th and 7th centuries AD. The cave, facing east, has a rectangular on octagonal pillars, and lower cave is triple-celled with a pillared. This architecture echoes the richness of the bygone era and the tragic end of great administrators of Kutub Shah, who ruled this part of the country during 1611 and 1672 AD. The structures even recall the Buddhist patterns inherited from Ikshvaku art style.
- Historians contend that the caves are assigned variously to the early Pallava, Vishnukundin and Chalukya periods. The upper cave is a rock-cut temple dedicated to the Trinity - Brahma, Vishnu and Maheswara. The surroundings are fragrant with sweet-smelling and colourful flowers.Sure, It can be a great time to spend there, enjoying the refreshing breezes of Krishna River, under the cool shade of the neem trees.
- A short distance away is another cave that dates back to the 2nd century BC, which hosts the Hindu trinity of Brahma, Vishnu and Maheshwara. These are located at the foot of the hillock, above which, the famous KanakaDurga temple is present, in the city of Vijayawada, Krishna District, Andhrapradesh, INDIA. The caves are sutivated on the way to kanaka durga devi temple.
- After independence, the state government constructed a new regulator cum-round bridge that was named after Sri Tanguturi Prakasam, the first Chief Minister of Andhra Pradesh. Completed in 1957 it helps irrigating over 12 lakh acres.
- The reservoir formed by this dam is a tourist attraction and also considered to be an official pilgrim lake - called "Koneru" in Telugu, in honour of the Goddess 'Kanaka Gurga'.
- During the Hindu festival of Dussera, both sides of this dam are full pilgrims taking a holy bath in the Krishna. The Krishna river has its own festival called 'Pushkaram'.
- This happens once in 12 years and is the biggest festival that happens along the river Krishna.