Brunei is a small Southeast Asian country with a diverse landscape, including hills, valleys, and coastal areas.
The terrain in Brunei is characterized by low-lying hills and flat coastal areas, with elevations ranging from sea level to approximately 1,850 meters above sea level.
The hills are mostly covered with dense forests, while the coastal areas are dominated by mangrove forests and sandy beaches.
While the elevation changes are not extreme, the topography of Brunei offers a variety of landscapes and supports a wide range of ecosystems, from rainforests to coral reefs.
The highest point in Brunei is Bukit Pagon, which rises to an elevation of 1,850 meters above sea level. It is located on the border between Brunei and Malaysia and is part of the Crocker Range, a mountain range that extends across Borneo.
The lowest point in Brunei is the South China Sea, which has an elevation of zero meters above sea level and borders Brunei to the north and east.
See here a list of 10 cities in Brunei and their elevation above sea level.