Henan topography
The terrain of Henan province is north-south, connecting east and west, with high terrain in the west and low terrain in the east. Taihang Mountain, Funiu Mountain, Tongbai Mountain and Dabie Mountain in the north, west and south are distributed in a semicircle along the provincial boundary. The central and eastern part is the Huang-Huai-Hai alluvial plain; Nanyang basin is in the southwest. Plains and basins, mountains and hills account for 55.7%, 26.6% and 17.7% of the total area respectively. Laoya tea in lingbao city is the highest peak in the province, with an altitude of 2413.8m; The lowest altitude is at the exit of Huaihe River in Gushi County, only 23.2 meters.
Location boundary of Henan province
Henan province is located in the middle and lower reaches of the Yellow River in the south of North China Plain. Geographical coordinates: east longitude 1 10 west longitude 2 1', east longitude 1 16 39', spanning longitude 6 18', with a straight line distance of about 580 kilometers; It spans 4 59' from 3123' south latitude to 36 22' north latitude, and the linear distance is about 550 kilometers. Shandong and Anhui in the east, Shaanxi in the west, Hebei and Shanxi in the north and Hubei in the south; The land area is 6.5438+0.67 million square kilometers.