Meishan Reservoir is large. Meishan Reservoir is located in the hinterland of the Dabie Mountains at the junction of Hubei, Henan and Anhui provinces, and the upper reaches of Shihe River, a tributary of the Huaihe River. The reservoir area has a drainage area of ??1,970 square kilometers. Ayushan Reservoir is located in the southwest of Shangcheng County, Xinyang City, Henan Province, with a drainage area of ??924 square kilometers, so Meishan The reservoir is large.