The county is located in the basin of the Qing River, a right tributary of the Yangtze. The river is flanked by mountains on both sides, the tallest of which - the Tianzhu Mountain - is 2,542 metres (8,340 ft) tall. The river is dammed by the Geheyan Dam (located within the county) and the Gaoba Dam (located in the neighboring Yidu County-level City, but flooding some of the Qingjiang River valley within Changyang County as well). The resulting reservoirs provide the main water transportation route throughout much of the county.
Established in 1984 with a surface area of 3,412 square kilometres (1,317 sq mi) and a population in 1984 of 399,000 inhabitants, of which 295,000 were Tujia.[2]
The new Yichang-Wanzhou Railway crosses the northwestern part of the county, with two stations - Langping and Hejiaping - located near the eponymous towns of the county.
The China National Highway 318, and the newly constructed Shanghai-Chongqing Expressway (G50) run roughly parallel to the railway. Building the expressway in this area required the construction of a number of tunnels and remarkable bridges, such as the Longtanhe Bridge just outside Langping Town.[7]
Changyang Square
Old street
Qing River
Geheyan Dam
Longtanhe Bridge
Tieluoping bridge, west of Langping town
References
^ abc长阳土家族自治县历史沿革 [Changyang Tujia Autonomous County Historical Development]. 行政区划网站 www.xzqh.org (in Chinese). 行政区划网站/区划地名网站 (Administrative Divisions Web/District Geographic Names Web). 14 July 2014. Retrieved 10 November 2018. 1996年,长阳土家族自治县面积3430平方千米,{...}2010年第六次人口普查,长阳土家族自治县常住总人口388228人,其中:龙舟坪镇89679人,高家堰镇20590人,磨市镇29832人,都镇湾镇49755人,资丘镇37651人,渔峡口镇33524人,榔坪镇39348人,贺家坪镇27170人,大堰乡32839人,鸭子口乡20087人,火烧坪乡7753人。
^2017年统计用区划代码和城乡划分代码:长阳土家族自治县 [2017 Statistical Area Numbers and Rural-Urban Area Numbers: Changyang Tujia Autonomous County]. National Bureau of Statistics of the People's Republic of China. 2017. Retrieved 10 November 2018. 统计用区划代码 名称 420528101000 龙舟坪镇 420528102000 高家堰镇 420528103000 磨市镇 420528104000 都镇湾镇 420528105000 资丘镇 420528106000 渔峡口镇 420528107000 榔坪镇 420528108000 贺家坪镇 420528201000 大堰乡 420528202000 鸭子口乡 420528203000 火烧坪乡
^历史沿革 [Historical Development]. “中国 • 长阳”政府门户网 (in Chinese). 长阳土家族自治县人民政府, 长阳县电子政务办公室. 15 September 2017. Archived from the original on 4 December 2018. Retrieved 10 November 2018. 现辖8镇(龙舟坪、磨市、都镇湾、资丘、渔峡口、榔坪、贺家坪、高家堰)3乡(大堰、鸭子口、火烧坪)、154个行政村和8个社区。