Kossinna Yatawatta Raja Maha Viharaya Kossinna Yatawatta Raja Maha Viharaya (Sinhala: කොස්සින්න යටවත්ත රජ මහා විහාරය) is a Buddhist temple located in the village of Kossinna in Gampaha District, Sri Lanka. History
During the reign of King Parakramabahu VIII (1490-1509 A.D.), many Buddhist temples were built around the country. Jayapala Deva Pathiraja, one of the ministers of the king also engaged in establishing Buddhist temples in several places on the island. The Kossinna Raja Maha Viharaya in Gampaha District is believed to be one such temple established by Jayapala Deva Pathiraja (Chandananda Thera, 2009).
" Kossinna " is the village where the present temple is situated. The name, Kossinna is thought to have evolved from " Koswinna " meaning a grove of Jack trees (Gunasekara, 1887). According to popular beliefs, Jayapala Deva Pathiraja had removed a Madel forest that existed in the present temple area and grew a grove of Jack trees there (Chandananda Thera, 2009). He constructed a complete Buddhist t…