Arzos Peak (Bulgarian: Връх Арзос, romanized: vrah Arzos, IPA: [ˈvrɤx ˈarzos]) is the sharp rocky peak on the west side of northern Sentinel Range in Ellsworth Mountains, Antarctica rising to 1893 m[1] on the side ridge extending from a peak standing on the main crest of the range just north-northwest of Mount Dawson. Arzos is the ancient Thracian name of Sazliyka River in Southern Bulgaria.