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Yoshino River

The Yoshino River (吉野川 Yoshino-gawa) is a river on the island of Shikoku, Japan. It is 194 km (121 mi) long and has a watershed of 3,750 km2 (1,450 sq mi). It is the second longest river in Shikoku (slightly shorter than the Shimanto), and is the only river whose watershed spreads over the four prefectures of the island.
Source:  Mount Kamegamori
Mouth:  Kii Channel  
Length:  194 km (121 mi)  

Yoshino River  Click to go to Wikipedia