The highest peak in the region is Mount Bintumani in Sierra Leone, at 1,945 metres (6,381 ft).
Geologically the composition of the sediments in the highlands are the same as in Upper Guinea and include granites, schists, and quartzites.
The Guinean montane forests ecoregion covers the portion of the highlands above 600 meters elevation.
It includes montane forests, grasslands, and savannas, with a distinct flora and fauna from the surrounding lowlands.
Main commodities sold in the town include rice, cassava, coffee, palm oil and kernels.