GEOGRAPHY

The topography of the municipality of Balikpapan is generally hilly (85%), with only small areas of flatland (15%), particularly along the coast and surrounding the hilly areas. The hills are less than 100 meters higher than the adjacent valleys. The altitude of Balikpapan ranges from 0 to 80 meters above sea level.

Most of the soil in Balikpapan contains yellow-reddish podsolic soil and alluvial and quartz sand, making it extremely prone to erosion.