Blava

Blava
Country	Slovakia
Basin features
Main source	Little Carpathians
River mouth	Dudváh 48°19′48″N 17°40′08″E / 48.330°N 17.669°E / 48.330; 17.669Coordinates: 48°19′48″N 17°40′08″E / 48.330°N 17.669°E / 48.330; 17.669
Progression	Dudváh→ Čierna voda→ Little Danube→ Váh→ Danube→ Black Sea
Physical characteristics
Length	38 km (24 mi)

The Blava is a tributary of the Dudváh in Trnava District, Western Slovakia. Its source is located in the Little Carpathians Mountains.