Śrī Kalyāṇī Yogāśrama Saṁsthā (Pali: Siri Kalyāṇī Yogassama Santhā, Sinhala: ශ්රී කල්යාණී යෝගාශ්රම සංස්ථාව), also known as the Galduwa Forest Tradition is an independent part of the Sri Lankan Amarapura–Rāmañña Nikāya Buddhist ordination line, with their headquarters in Galduva, Kahawa, Ambalangoda.
Their monks are easily recognized by the palm-leaf umbrella they use and by the habit of wearing the Sanghati (double robe) whenever they walk outside the monastery boundaries.
[1] The (modern) history of arañña senasana or forest hermitages of Sri Lanka runs back to 1951, when Ven.
Kadawedduwe Sri Jinavamsa Mahathera himself was ordained at the age of 13, and founded the Thebuvana Granthakara Pirivena (monk school) when he was only 25 and served as head instructor for over 20 years.
Kadawedduwe Sri Jinawansa Theras extremely eloquent sermons, there were people, the lay and monks alike who resented and envied his success.
Until 1992, the great meditation master Matara Sri Nanarama Mahathera was the Maha Upajjhaya (chief mentor) of the Yogāśrama Sanstha.