The study area is located in Kampung Relak, Jeli, kelantan. The objective of this research is to update the geological map in the study area with scale 1:25000. The lithology that found in the study area was meta sediment, phyllite, biotite granite porphyry, coarse grained foliated granite and microgranite. Biotite granite porphyry, coarse grained foliated granite and microgranite were classified these granite as Noring Granite (Aman, 2000). Kampong Relak was underlain by meta sediment and phyllite. These two lithologies were originated from Gua Musang formation at the age of Permian to Triassic. The meta sediment has sharp contact with Noring Granite. The age of Noring Granite was Creataceous. The other objectives of this research is about heavy metal analysis which is to determine heavy metal content in stream sediment of Pergau River and to develop spatial distribution map of heavy metal in study area. The sample of stream sediment was collected 5 checkpoints randomly along Pergau River. The heavy metals that contain in Pergau River were Iron (Fe), Zircon (Zr), Manganese (Mn), Titanium (Ti), Thorium (Th) and Lead (Pb). The conclusion showed that the highest of heavy metals content in Pergau River was Iron (Fe) while for Lead (Pb) and Thorium (Th) only concentrated at checkpoint 1. Checkpoint 4 has the lowest heavy metal content because it does not contain Zircon (Zr), Thorium (Th) and Lead (Pb).