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河南地处中原,约当北纬31°23′～36°21′,东径110°21′～116°39′之间。全省地势西高东低,自西北向东南倾斜。西部自北向南分别有太行山、伏牛山、桐柏山和大别山,间有陷落盆地;中、东部为冲积平凉。河流多自西、西北向东、东北、东南呈放射状分流,自北向南分属于海河、黄河、淮河和长江四大水系。全省处于亚热带向暖
Henan is located in the Central Plains, Jiao when latitude 31 ° 23 ’~ 36 ° 21’, east longitude 110 ° 21 ’~ 116 ° 39’ between. The province’s topography is high in the east and low in the west, tilting from northwest to southeast. Western from north to south, respectively, Taihang Mountains, Funiu Mountain, Tongbai Mountain and Dabie Mountains, between the subsidence basin; in the eastern alluvial Pingliang. Rivers from the west, northwest to east, northeast, southeast radially shunt, from north to south belong to the Haihe River, the Yellow River, the Huaihe and the Yangtze River four major river systems. The province is in the subtropics to warm