Where is the Longshan isolation point

Vienna Hotel. Longshan isolation point is in Vienna Hotel. Longshan is located in the northwest border of Hunan, at the junction of Hunan, Hubei and Chongqing provinces, and is one of the most remote counties (cities) in the province. Located in the hinterland of Wuling Mountain area, it is the geometric center of three provincial capital cities of Changsha, Wuhan and Guiyang and five prefecture-level cities of Jishou, Zhangjiajie, Enshi, Qianjiang and Tongren. It is the intersection of Qianzhangchang Railway, Ji 'en expressway and expressway, Zhang Nan, and is called "Xiang-E-Chuan Tunnel" in history.