Ossa, also known as Kissavos, is a prominent mountain located in the northeastern region of Greece, specifically in the coastal district of Thessaly. Rising to an elevation of 6,489 feet, it lies to the north of Magnesia and provides a stunning backdrop to the landscape, particularly when viewed from nearby villages or the Vale of Tempe. Ossa is famously linked to Greek mythology, particularly the tale of the twin giants Otus and Ephialtes, who attempted to reach the heavens by stacking the mountains Ossa and Pelion, with Olympus as the apex. This mythological connection is part of a rich cultural heritage in the region, highlighting the significance of these mountains in ancient stories. The proximity of Ossa to both Mount Pelion and Mount Olympus further emphasizes its geographical and mythological importance. As a natural landmark, Ossa attracts visitors interested in both outdoor activities and the historical narratives that surround it. The mountain's picturesque views and cultural relevance make it a noteworthy destination for those exploring Greek history and nature.