龙潭大峡谷长12千米,这个U型峡谷因紫红色的石英砂岩条纹而著称,人称“中国第一峡谷。”
This 12-kilometer , U-shaped valley marked by a stripe of purplish red quartz sandstone has earned the name , " The No.1 Valley of Narrow Gorges in China . "