Râu de Mori (, ) is a commune in Hunedoara County, Transylvania, Romania. It is composed of eleven villages: Brazi (Gureny), Clopotiva (Klopotiva), Ohaba-SibiÃÂel (Ohábasibisel), Ostrov (Nagyosztró), Ostrovel (Osztrovel), Ostrovu Mic (Kisosztró), Râu de Mori, SibiÃÂel (Sebeshely), Suseni (MalomvÃÂzszuszény), Unciuc (Uncsukfalva), and Valea Dâljii (Vályadilsi).
The commune is situated at a mean altitude of , at the foot of the Retezat Mountains. It lies on the banks of the Râul Mare and its right tributaries, the RâuÃÂor and the SibiÃÂel. The Gura Apelor Dam forms a reservoir, from which water is piped to the Râul Mare Hydroelectric Power Station, that generates 650 GWh of electricity per year.
Râu de Mori is located at the southeastern extremity of Hunedoara County, south of the county seat, Deva, on the border with CaraÃÂ-Severin and Gorj counties. It is situated in the historical and ethnographical area known as ÃÂara HaÃÂegului, southeast of its hub, the town of HaÃÂeg.
At the 2021 census, the commune had a population of 2,991; of those, 91.64% were Romanians and 1.71% Roma.