The Karadag (Crimean Tatar: Qaradağ, Qara dağ, Ukrainian: Карадаг, Кара-Даг – translated as black mount) is a volcanic rock formation which rises to a height of 577 meters between the Crimean coastal town of Köktöbel and the Otuz river valley.

It has been the site of a marine biological station [uk] since the early 20th century.

The littoral is rich in picturesque cliffs such as the Devil's Gate.

The best views of the Karadag are from Köktöbel and Kurortne.

15th Operational Brigade has received the honorary name in relation to the Mountain.