The Cihara (often written as Ci Hara) is a river located in the Lebak Regency of Banten, Java, Indonesia.

Flowing for a distance of 29.6 km[2] from the northeast to the southwest towards the southern coast of Banten until it meets the Indian Ocean, approximately in the District of Cihara.

[3] The upstream of Cihara at an elevation of around 860 meters above sea level, there is an archaeological site located in Dusun Cibedug, West Citorek.

In this prehistoric site, numerous Megalithic-era structures are found, including terraced mounds, menhirs, and stone tables like dolmens.

[3] The drainage divide of the Ciliman, Ciujung, and Cihara basins meet at a point on the peak or ridge of a hill on the border of the Cirinten and Cigemblong regions, while their main stems each flow into three different water bodies.