Rimava (Hungarian: Rima) is a river in southern central Slovakia, which flows only in the Rimavská Sobota District. It is a right tributary of the Slaná river.

Rimava
Rima
Rima Rimaszombat 5.jpg
Location
CountrySlovakia
Physical characteristics
Source 
 ⁃ locationVeporské vrchy
 ⁃ elevation1,130 m (3,710 ft)
Mouth 
 ⁃ location
Sajó
 ⁃ coordinates
48°17′15″N 20°19′12″E / 48.2876°N 20.3199°E / 48.2876; 20.3199Coordinates: 48°17′15″N 20°19′12″E / 48.2876°N 20.3199°E / 48.2876; 20.3199
 ⁃ elevation
145 m (476 ft)
Length88 km (55 mi)
Basin features
ProgressionSajóTiszaDanubeBlack Sea

It is 88 km long, its source is in Veporské vrchy at approximately 1,130 m above sea level. It flows through these towns: Tisovec, Hnúšťa and Rimavská Sobota. It pours to the Slaná river near Vlkyňa at 145 m a.s.l.