Agia Triada-Sparmos monastery
The Sparmou Monastery is situated on the slopes of Olympus and was built in the 16th century. In the 18th century it had about 150 monks and a huge estate. Its katholikon is a small aisleless basilica with a narthex dedicated to the Holy Trinity and adorned with lovely murals from the 19th century.
Cave Hermitage of Pythio
At the western plateaus of Olympus, close to Pithio village, two small chapels are preserved inside caves which were ascetic dwellings of anchorite monks. Murals dating back to the 14th century are still evident on the walls.