Uludağ (Turkish pronunciation: [ˈuɫudaː]), the ancient Mysian or Bithynian Olympus (Greek: Όλυμπος), is a mountain in Bursa Province, Turkey, with an elevation of 2,543 m (8,343 ft).

[3] Throughout the Middle Ages, it contained hermitages and monasteries: "The rise of this monastic centre in the 8th c. and its prestige up to the 11th are linked to the resistance of numerous monks to the policy of the iconoclast emperors and then to a latent opposition to the urban, Constantinopolitan monasticism of the Studites.

The area is also good for eastern specialities such as isabelline wheatear, and, at almost the most westerly points of their range, red-fronted serin and Krüper's nuthatch.

The dense fir forest holds short-toed treecreeper, common crossbill and Tengmalm's owl, a rare and very local bird in Turkey, as well as the white-backed woodpecker.

The rare and local butterfly, Parnassius apollo graslini, is found on Uludag and the area has much of interest to botanists, with colourful pink primroses (Primula vulgaris var.