Aramanapola Raja Maha Vihara or Ganegama Rankoth Vihara () is an ancient Buddhist temple in Ganegama, Sri Lanka. The Vihara is located approximately far away from the Pelmadulla town on Colombo - Batticaloa main road (A4). The temple has been formally recognised by the Government as an archaeological site in Sri Lanka. The designation was declared on 2 March 1951 under the government Gazette number 10217. Name Aramanapola temple is referred in historical sources as Denawaka Viharaya and Ganegama Viharaya. In the early periods this region was called as Denawaka as the river Denawaka Ganga flow through this area. The word Denawaka is said to be broken from Dona Wakka (basin) as the area is located between hilltops of Kiribathgala & Kuttapitiya. Word Dona Wakka became Denawaka and the temple located in Denawaka was begun to call as Denawaka Viharaya. The temple is also referred in Vihara Asna (Nam Potha), a Kandyan period compiled book about important Buddhist centers in the country. The temple is also known as Ganegama Viharaya as Buddhist monks called Ganinwahansela lived in this temple during the Kandyan era. It is said that in this time period the country's Buddhism was in declined state due to the colonial rule. The monks maintained the temple with many difficulties and due to that the temple was called as Ganegama temple. In the present day the temple is known as Aramanapola Viharaya. According to the Sabaragamu Vamsakathawa, the Buddhism in the country had suffered a lot after the Chola rule in 993-1077 time period. During the reign of King Vijayabhahu I (1077–1110) there was a lack of monks necessary for doing Upasampada Karma (ordination) of Buddhist monks. To re-establish Buddhism in the country, Vijayabahu I invited higher ordinate Buddhist monks from Arammana area of Myanmar. People believe that those monks have used this temple during their mission in the country. So it is said that this temple has got its name Aramanapola Viharaya, as the Buddhist monks from Aramana area of Myanmar lived here. History The history of Aramanapola Vihara is dated back to the reign of King Devanampiya Tissa (250-210 BC) of Anuradhapura Kingdom. It is believed that one of 32 saplings of sacred Jaya Sri Maha Bodhi have been planted in this temple premises by the king. The Sinhala Bodhivamsa, written by Rev. Wilgamula thero in Kurunegala period, also mentions that the Bodhi Tree in Ganegama was