Rigan Qiao large swamp, The Red Army walked through the vast grasslands during the Long March.

Red Rocks National Park, 50 meters east of Provincial Road 301, Hongyuan County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province
The Red Army walked through the vast grasslands during the Long March.
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Introduction

The Rigan Qiao large marsh is an important part of the Hoh Xil wetland reserve, which is the largest plateau wetland in the world. It is located at an elevation of 3300-3500 meters and has peaty marshy soil.
Address
Red Rocks National Park, 50 meters east of Provincial Road 301, Hongyuan County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province
Opening hours
All day (January 1 - December 31, Monday to Sunday)
Transportation
Dayugao Swamp is located about 443 kilometers from Chengdu and 15 kilometers from Hongyuan County. There are direct buses from Chengdu Cha Dianzi Bus Station and Xin Nanmen Bus Station to Hongyuan, departing between 7:00-8:00 in the morning, with a ticket price of around 100 yuan per person. After arriving in Hongyuan County, visitors can hire a car to the scenic area for about 100 yuan per vehicle.