The Rebra is a right tributary of the river SomeÃÂul Mare in Romania. Its source is in the Rodna Mountains. It discharges into the SomeÃÂul Mare near RebriÃÂoara. Its length is and its basin size is . The upper reach of the river, upstream from the confluence with the GuÃÂatul Mare at Gura Rebra, is also known as RebriÃÂoara.