Uren River River in Costa Rica From Wikipedia, the free encyclopedia Uren River is a river of Costa Rica.[1] References [1]Instituto Costarricense de Turismo map Archived 2009-01-26 at the Wayback Machine, 2007. (in Spanish) This article related to a river in Costa Rica is a stub. You can help Wikipedia by adding missing information.vte Related Articles~TimelinesTop QsFact Checks