Nu River Stone Gate Pass，Nu River is located in Shimen town of Yunnan province Nu River in Gongshan County, is angry with Tibet Jiangbei tea horse road go through the channel, the lineong, on the right side of Gaoligong mountain. Nu River from Shimen Guanzhong spewing out, pour down
At this time of the year, several large pythons of different colors climb out of the cave and bask in the sun. The longest is about 10 meters，At the top of the cliff there is a flat ground, surrounded by a rare palm tree.
The rocks of Shimen pass are gneiss and marble, Driving here, often encountered rolling stones on the mountain, so it is very dangerous
