The Ciucaș Mountains (Romanian: Munții Ciucaș, Hungarian: Csukás-hegység) is a mountain range in Romania.

The highest peak is Vârful Ciucaș (Ciucaș Peak), at 1,954 metres (6,411 ft);[1] other peaks are Gropșoare at 1,883 metres (6,178 ft), Tigăile Mari at 1,844 metres (6,050 ft), and Zăganu at 1,817 metres (5,961 ft).

The Ciucaș ridge is to the north and comprises the Ciucaș Peak, while the Bratocea ridge is to the south and has a length of over 5 kilometres (3.1 mi).

In Romania, the Ciucaș Mountains are considered part of the Curvature Carpathians.

The Cheia village is close to the mountain.