The Shakadang Trail, also known as Mysterious Valley Trail, is a scenic pathway located in the Taroko National Park in Hualien, Taiwan. This trail is renowned for its crystal-clear turquoise waters of the Shakadang River, which it runs alongside, as well as its rich, abundant, and diverse ecosystem. The Shakadang Trail is well-paved and carved into the side of a cliff, making it a safe and enjoyable walk that offers stunning views of the river and surrounding marble rock formations. As visitors meander through the pathway, they will cross a few bridges and encounter several spots perfect for taking photographs. The trail is approximately 4.5 km long and takes about 3 to 4 hours to complete a round trip. Along the way, there are also several resting points where hikers can relax and enjoy the peaceful environment. The Shakadang Trail showcases the natural beauty of Hualien and its geological wonders, making it an attractive destination for nature lovers and hikers seeking serenity and the grandeur of the Taiwanese landscape.