The Yuna River is in the Dominican Republic

Dominican Republic

The Dominican Republic is a nation on the island of La Hispaniola, part of the Greater Antilles archipelago in the Caribbean region. The western third of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands that are shared by two countries...

. The river flooded in 2000 and 2004 causing loss of life and livelihood. The river is the second longest river in the Dominican Republic measuring at 209 km long.

It starts at a mountain range north west of the city of Bonao

Bonao

Bonao is the capital of Monseñor Nouel province, Dominican Republic. It is located in the center of the country, to the northwest of the national capital Santo Domingo.The city is known as "Villa De Las Hortensias" - the town of hortensias...

. Then curving towards the north east and getting larger passing through the city of Cotui

Cotuí

Cotuí is a city in the Dominican Republic and is one of the oldest cities of the New World. It is the capital of Sánchez Ramírez Province in the Cibao. It was founded in the year 1510 by Rodrigo de Trujillo for order of Nicolas de Ovando, who was the governor of Hispaniola. Cotuí was the name of...

 and its mouth is at the Samana Bay

Samana Bay

Samaná Bay is a bay in the eastern Dominican Republic. The Yuna River flows into the Samaná Bay, and it is located south of the town and peninsula of Samaná....

in the north east part of the Domnican Republic.