42°10′34″N 22°56′54″E / 42.17611°N 22.94833°E / 42.17611; 22.94833The Ruen Monastery St John of Rila (Bulgarian: Руенски манастир Свети Иван Рилски) is a Bulgarian Eastern Orthodox monastery part of the Dupnitsa vicarage of the Sofia eparchy of the Bulgarian Orthodox Church.
It is situated near the village of Skrino, municipality of Boboshevo, Kyustendil Province.
The monastery is situated in a beautiful countryside near the small town of Boboshevo at around 8 km to the west of the European route E79 between Sofia and Kulata, at 2,5 km to the north of the village of Skrino – the birthplace of John of Rila.
A path from the monastery leads to the cave where Saint John of Rila first began with his hermitage.
He lived during the reign of Boris I, Simeon I and Peter I during the First Bulgarian Empire.