Yangyuanshi is a natural stone pillar located in Danxia Mountain Scenic Area, Renhua County, Shaoguan City, Guangdong Province, China. It is about 28 meters high and 7 meters in diameter. It is formed by long-term crustal movement, weathering, sun exposure, rain and running water erosion.
Yinyuanshi is located in the depths of Xianglong Lake, a famous scenic spot in Danxia Mountain, and can be reached by boat or along the lakeside plank road. Silverstone is about10.3m high and 4.8m wide. It is said that in 1998, local villagers found this cave among the trees, and it was named Silver Dollar Stone because of its special shape.