タイニン省
Like other Southeast provinces, Tây Ninh Province is in the middle terrain of South Central Coast Highland and Mekong Delta, the terrain is relatively flat. Tây Ninh not only has highland terrain, but also has flat terrain such as Black Virgin Mountain with the height of 986 m, Phung Mountain (435 m), Heo Mountain (289 m), Tan Bien National Revolutionary Martyrs' Cemetery or "Hill 82" (82 m). Terrain of south districts is about 15 m height, while river source of Dầu Tiếng Lake and some places in Tân Châu District is about 115 m, flat terrain and floodplain is 1 m, but the average height in Tây Ninh Province is just about 35 m. Overall, terrain's height of Tây Ninh Province is lower than that of other Southeast provinces, except Ho Chi Minh City.