The coastline from Su'ao to Nan'ao, approximately 30 kilometers long, includes Nanfang'ao, Neipi Coast, and Dong'ao Bay, making it the most beautiful coastline in Yilan County. Along this section of Suhua Highway (台九線), the road is built along the mountain waist, offering several spots with a bird's-eye view of the stunning coastline. The area provides a broad field of vision and excellent scenery. Here are some of the best viewpoints along this route:
- **106.5K Abandoned Cement Platform**: Offers the best view of Su'ao Military Port and the Nanfang'ao Cross-Harbor Bridge.
- **106.9K Rotary Park**: Provides a view of Su'ao Military Port and Nanfang'ao area, with a parking lot available.
- **107.6K Mountain Trail Entrance**: A cement staircase leads down to Nanfang'ao. The trail offers views of the Nanfang'ao area.
- **108.2K Su'ao Checkpoint (Weigh Station)**: The south side of the checkpoint has a tunnel leading to the side of Zhao'an Temple near Neipi Fishing Harbor in Nanfang'ao. The viewpoint offers a stunning panorama of Nanfang'ao, Neipi Fishing Harbor, and the coastline, making it the top choice for views in this section. There's a small parking lot on the north side.
- **114K Small Parking Lot**: Offers views of Dong'ao Bay, with the distinctive fixed fishing nets visible on the sea surface.
- **116.8K Pioneer's Shrine**: Considered the best spot to view Dong'ao Bay. There's an observation platform behind the shrine, from which you can see far into Fenjinlin Fishing Harbor and Wushi Nose, which resembles a turtle poking its head out. Restrooms are available, making it the best rest stop in the Su'ao to Nan'ao section.