The 13-Layer Remains served as the central processing plant for the Taiwan Metal Mining Corporation.
The distinct yellow color of the adjacent sea is caused by natural mineral deposits of pyrite and limonite in the surrounding mountains.
The site is part of the larger Gold Ecological Park system documenting Taiwan's industrial mining history.
Local geology features high concentrations of sulfuric minerals that continue to leach into the ocean currents.
Shuinandong Observatory offers a direct vantage point of the historic 13-Layer Remains, a former copper refinery processing facility built into the hillside. The structure provides an elevated perspective of the Yin-Yang Sea, where yellow-brown iron-rich runoff meets the blue Pacific Ocean. The site is situated along the Northeast Coast, an area historically significant for mining exploration during the Japanese colonial period. Visitors can observe the contrast between industrial ruins and natural coastal geography. The site functions as a key viewing platform for the surrounding Ruifang mining heritage sites.
The highest point of the wooden platform providing a panoramic frame of both the mountain-side ruins and the sea.
Visit during low tide for a clearer view of the color stratification where the mineral runoff meets the ocean.
Bring wind protection, as the coastal location is frequently subject to strong gusts from the Pacific.
Utilize the nearby walking trails that connect this observatory to other remnants of the former mining infrastructure.
Attempting to climb or enter the fenced-off sections of the 13-Layer Remains, which are structurally unstable and restricted.
Stay within designated observation paths to avoid unstable industrial terrain and private mining property.
