The Mărcușa (also: Cernat) is a right tributary of the Râul Negru in Romania. It flows into the Râul Negru between the villages Mărcușa and Surcea.Marcusa (jud. Covasna), e-calauza.ro Its length is and its basin size is .

Tributaries

The following rivers are tributaries to the river Mărcușa (from source to mouth):

Left: Lunca (Retiul) Right: Pârâul Întunecat, Groapa Pietroasă, Pârâul Rupt, Bortofălău, Pârâul Mic, Albiș

References