Magul Maha Viharaya is an ancient Buddhist temple situated in Lahugala, Ampara District of Sri Lanka. The temple lies on the northern edge of the Lahugala National Park, about 22 km off from Siyambalanduwa town and about 11 km off Pottuvil town. Lahugala has been part of the Kingdom of Ruhuna in ancient Sri Lanka. The ruins of Magul Maha Vihara are one of the major tourist attractions of the Eastern province. This temple is also an archaeologically protected monument of the country.