Guaso River From Wikipedia, the free encyclopedia River in Guantánamo province, Cuba Guaso River is a river of southern Cuba. It is the main river of Guantánamo city. Guaso river in the city of Guantánamo List of rivers of Cuba References The Columbia Gazetteer of North America. 2000. This article related to a river in Cuba is a stub. You can help Wikipedia by expanding it.vte Related Articles