The
Cuyuni River is a
river in northern
Guyana and eastern
Venezuela. It rises in the
Guiana Highlands of Venezuela. It descends northward to
El Dorado, Venezuela, where it turns eastward and meanders through the tropical rain forests of Guyana, forming the international boundary for approximately 100 km (60 miles). It turns southeastward, flowing to its confluence with the
Mazaruni River.
The Kamaria Hydroelectric Power site is located on the Cuyuni River in Guyana.
The river is a source of alluvial gold.
In 1681, an island in the mouth of the Cuyuni River was cleared and planted with cassava for the use of the Dutch garrison. By 1694, a new plantation on the Cuyuni River above the fort was established. By 1703 a Posts was established on the Pariacot Savannah, in the upper Cuyuni.
