On the island ofTrinidad, theNaparima Plain is a broad lowland area on the west between theCentral Range and theSouthern Range (see map);[1] the lowland area on the east is theNariva Plain. To the north of the Central Range is theCaroni Plain. The Oropouche river flows through the Naparima Plain and drains into the Oropouche Lagoon, a swampy area, on theGulf of Paria coast.[1] The northern region of the Naparima Plain has alluvial soil; the southern region is sandy and less fertile.[1]
TheBanwari Trace archaeological site, the oldest site in the Caribbean, is located in the Naparima Plains (Oropouche River plains).