Ratnagiri is the major Buddhist monastery, in the Brahmani and Birupa river valley in Jajpur district of Odisha, India. It is close to other Buddhist sites in the area, including Pushpagiri, Lalitgiri and Udayagiri.
The highest point of the Ratnagiri sight is marked with a giant stupa, surrounded by smaller ones. Some of this smaller (votif) stupas are arranged in circles. The whole hill top contains several structural remains covering a large area.
The hill top also provides a grand view of the surrounding rural Orissa landscape.
Ratnagiri have a very beautiful museum containing several artifacts recovered from the excavation of Ratnagiri.