The Buzău Mountains are a set of six mountains ranges in Romania which are part of the Curvature Carpathians region of the Outer Eastern Carpathians. These six mountain ranges are as follows: The Penteleu and Ivănețu Massifs are to the east, and border the Vrancea Mountains. The Podu Calului and Siriu Massifs are to the north, separated from the Întorsurii Mountains by the Întorsura Buzăului Depression, while the Ivănețu Massif is to the south. Finally, the Tătaru Mountains are to the west, abutting the Ciucaș Mountains. The highest peaks in the Buzău Mountains are: These mountains are crossed by the Buzău Pass, which follows the Buzău River and connects Brașov with Buzău. Lake Siriu is an artificial dam lake on the river, at the southern end of the pass. Lacul Vulturilor is a periglacial lake located near Siriu, at an altitude of 1420 m. The surrounding area offers vineyards, camping and hiking as visitor attractions. Rockfalls, mudslides and other seismic activity are not uncommon in the area.

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