The state is divided into three geographical regions: coastal plain, Piedmont plateau and Appalachian mountain area. Coastal plains account for 45% of the whole state, and most areas are gentle and undulating with good drainage. The seashore is swampy. Off the coast, a series of sandbars and islands extend from Virginia through Honshu to South Carolina, which is called the Bund. The eastern and western sides of the western mountainous area are bounded by the Blue Ridge and Unaga Mountains at the southern end of the Appalachian Mountains respectively. The whole area is divided into several intersecting mountains and some smaller plateaus and basins; There are 43 peaks above 1800 meters and 80 peaks above 1500 meters. Mount Mitchell is 2037 meters high, the highest point east of the Mississippi River.

The western mountainous area has a continental climate and the southeast has a subtropical climate. The growing period is 275 days in coastal areas and 0/75 days in mountainous areas. The annual average temperature is 65438 09℃ in the east, 65438 06℃ in the middle and 65438 03℃ in the mountainous area. It is rainy in July and August, and the driest month is 10, 1 1. The average annual rainfall is 1 17 ~ 137 cm in coastal areas, 1 12 ~ 127 cm in piedmont plateau and 100 ~ 200 cm in western mountainous areas.