Bera Bach is a summit, height 807 metres, in the Carneddau mountains in north Wales. It is part of a ridge leading west from Garnedd Uchaf. The summit is a rocky torr, characteristic of the northern Carneddau. Bera Mawr and Bera Bach are together known as the Berau, meaning ricks or stacks. They are both excellent examples of the area's tors. To the west, the ridge continues to Drosgl. Despite Bach in Welsh meaning small, it is higher than Bera Mawr.