Laterite across three zones, with mangrove forest along the coast and popular fishing activity.
Laterite at Pulau Upeh can be divided into three zones: laterite rock zone, laterite gravel zone, and shell-sand zone. This laterite originates from weathered schist rock rich in iron oxide. Besides laterite rock, the area also has very thick and extensive laterite soil. Pulau Upeh has mangrove forest along its coastline and is well known for fishing activities.
