The forest in the North East of Kalimantan is very fine, both from the mainland and the lowland aspects. Its hilly topography, not very high but in many parts difficult, accounts for the fact that it has not yet been harvested to any great extent
. The particularly high percentage of sought-after species, the quantity of growing stock, and the excellent form of the trees make this forest very valuable. Its detailed botanic complexity means that it is far from being rationally harvested at the present time