Kroussia is s small mountain chain and its higher top is 1200 m high Mavrovouni which begins vertically from Kerkini (Belles) mountain and in its southwest side it separates the large valley of Serres from the fields of Kilkis. It is a natural boarder between the two Prefectures (Prefecture of Serres and Kilkis). On this mountain chain people can visit Gallikos river springs.
These are mountains of great contradictions with gorges and streams, rich beech and oak tree forests, coniferous trees and diverse fauna, pathways and welcoming guest houses.
In the Balkan Botanic Garden of Kroussia you can see indigenous plants of the Balkans which blossom all year long. From the end of winter more and more flowers blossom, with the result everything to bloom in spring. Discover each flower species by taking different pathways and see the rocky gardens, gardens of silver color, pharmaceutical and aromatic gardens, waterfalls, small lakes, streams, valleys and forests.
Palatianos settlement, with remarkable findings and the homonym archeological site, is also located in Kroussia mountains. It is one of the most remarkable cities of ancient Kristonia (probably the ancient IORON) which flourished during the Hellenistic and Roman times.