Many visitors turn back at this point, making the return journey in approximately two and a half hours. Recently, the National Park Administration commissioned a geologist to inspect the water curtain tunnel, and the danger of falling rocks was detected. Unfortunately, the tunnel had to be closed to protect the safety of visitors.
可惜水濂洞卻隱藏著岩石崩裂的危險，從國家公園管理處邀請地質學家會勘後，為顧及遊客安全，已將水濂洞入口封閉。