Cameroonian Highlands forests
The Cameroonian Highlands forests are a montane tropical moist broadleaf forest ecoregion located on the range of mountains that runs inland from the Gulf of Guinea and forms the border between Cameroon and Nigeria . 
<triplet> Cameroon <subj> Gulf of Guinea <obj> located in or next to body of water <subj> Nigeria <obj> shares border with <triplet> Nigeria <subj> Cameroon <obj> shares border with