Oberried am Brienzersee is located in the Bernese Oberland at the north shore of Lake Brienz. The highest mountain in the municipality is the Tannhorn (). It includes the sections of Dörfli, Mehrendorf and Ebligen on the shore of the lake and then rises into the alps. In addition to the Tannhorn, the Augstmatthorn and Riederengrat as well as peaks around the Riederengrat are part of the municipality.