WColombia–Venezuela border
WApón Formation
WArauca River
WAtabapo River
WCocinetas Basin
WBoconó Fault
WCatatumbo River
WCerro Pintado
WEastern Frontal Fault System
WLa Quinta Formation
WLlanos Basin
WMeta River
WOca-Ancón Fault System
WOrinoco
WOrinoco Basin
WRío Cachirí Group
WRio Negro (Amazon)
WVenezuela–Colombia Boundary Treaty of 1941
WZulia River