Does z226 pass through Hoh Xil?

Without going through. According to the query of z226 line, the stations that Z226 train schedule passes through are Hefei Station, Lu 'an Station, Huoqiu Station, Fuyang Station, Hengshui Station and Beijing Fengtai Station. Therefore, Z226 does not pass through Hoh Xil, which is also called Hoh Xil Nature Reserve. Located in Qinghai Province, the administrative division belongs to Haixi Mongolian Tibetan Kazak Autonomous Prefecture and Yushu Tibetan Autonomous Prefecture.