Geographical survey of Hekou township

Hekou Township is located in the north of Yuan 'an County, bordering Nanzhang County in the northeast, Yangping Town in the west and maoping town in the south. The terrain is high in the north and low in the south, with the highest elevation of 870.3 meters and the lowest elevation of 190 meters. The land area is 207. 14 square kilometers, of which the forest area accounts for more than 80% and the cultivated land is 2864 hectares. The township is located in the subtropical continental monsoon climate zone, with mild climate, abundant rainfall and sunshine. Annual average temperature 16.4℃, extreme maximum temperature 39℃, extreme minimum temperature-12℃. The average annual rainfall is 1.046 mm, the maximum annual rainfall is 1.552 mm, and the minimum annual rainfall is 7 1.6 mm. Uneven rainfall distribution is likely to cause geological disasters such as floods, droughts and landslides. The average solar radiation is 102 kcal per square centimeter, the average annual sunshine time is 1803 hours, and the sunshine percentage is 42%. The annual frost-free period is 240 days, which is suitable for economic forests and crops.

The ecological environment in the territory is well protected, with beautiful natural scenery and rich cultural landscape. Zengjiawan Flower House is an ancient residence built in the late Ming and early Qing Dynasties. It was selected as one of the eight discovery tours in Hubei in May 2002. Yuntaiguan is a sacred place of ancient Taoism, and the mountains are often shrouded in mist. When the weather is clear, standing on the top of the mountain is really close to the sun, and other mountains look short under the sky. ; Liu Qing 'an (formerly known as longxing temple) is a holy place of Buddhism, and its remains are still there, with inscriptions embedded in the walls, which are lifelike. One gorge of Hongyan River is connected with five caves (Wuling Gorge, Junma Cave, Moon Cave, Yangshu Cave, Tiankeng Cave and Xiaoshui Cave), which is really a wonder of nature. There are also Eight Immortals Cave, Gu Quan Cave and Fengxiangshu Cave. Gong Yu Yuanyang River Wetland Nature Reserve, with beautiful mountains and high water, attracted a large number of Yuanyang to settle in; In Shuangping Lihong Mountain Villa, you can not only watch the plant ecology and taste fresh and high-quality fruits, but also see mountains, water, fragrant rice and flowers, and hear birds and frogs.