Nanheng Highway 1-Day Tour: Yakou Sea of Clouds, Tianchi Lake, and Zhongzhiguan Trail (Departure from Tainan & Kaohsiung)

The best time to view the sea of clouds at Yakou on the Southern Cross-Island Highway is typically during autumn and winter, from around October to March. During this period, cold fronts and the northeast monsoon converge, bringing abundant moisture that easily forms sea of clouds. The phenomenon is especially frequent in the early morning or late afternoon, when the clouds churn spectacularly, offering a magnificent and capture-worthy sight.

The Meishan to Xiangyang section (K105-K153) of the Southern Cross-Island Highway (Provincial Highway No. 20) is currently open with conditional access. Entry is permitted daily from 7 AM to 2 PM, with the entire section cleared by 3 PM. In case of natural disasters like typhoons, heavy rain, or earthquakes, or for road maintenance, preemptive closures will be implemented. It is highly recommended to check the latest road condition information from the Directorate General of Highways before your trip to ensure a smooth and safe journey.

Some high-mountain areas along the Southern Cross-Island Highway, such as the Guanshan Ridge Trail and surrounding mountainous regions, are part of Yushan National Park and may require an park entry permit and mountain permit according to regulations. However, general visitors who only stay along the roadside and at major attractions like Tianchi and Yakou usually do not need a special mountain permit. If you plan to undertake high-difficulty mountaineering activities, you must understand the relevant application procedures in advance.

The Southern Cross-Island Highway is rich with attractions. Besides the renowned Yakou sea of clouds, there's the tranquil Tianchi with its clear waters reflecting the surrounding mountains. The Zhongzhi Pass Trail preserves ancient cypress forests, making it a great spot for a forest bath. Additionally, the Changqing Shrine commemorates those who lost their lives while building the highway, offering a place to reflect on history amidst the majestic mountain scenery.

'Yakou' on the Southern Cross-Island Highway is the highest point on Provincial Highway No. 20, situated on the main ridge of the Central Mountain Range at an altitude of approximately 2,722 meters. It marks the border between Taoyuan District in Kaohsiung City and Haiduan Township in Taitung County. Its distinctive feature is the frequent spectacular sea of clouds, complemented by the charming alpine scenery of Yushan arrow bamboo grasslands and coniferous forests. It's an excellent location for stargazing and experiencing the atmosphere of the high mountains.

A one-day trip to the Southern Cross-Island Highway, departing from Tainan or Kaohsiung city, typically takes about 10 to 12 hours, including transportation, time spent at various attractions, and travel back. This encompasses driving to main scenic spots like Yakou for the sea of clouds, Tianchi, and the Zhongzhi Pass Trail, ensuring ample time to experience the magnificent landscapes.

Tianchi on the Southern Cross-Island Highway is named for its pot-shaped topography and year-round water level, situated at an altitude of about 2,200 meters. It offers serene mountain and lake scenery, a place to connect with the spiritual essence of the high mountains. The Zhongzhi Pass Trail is an ancient path steeped in history, lined with towering cypress trees and rich biodiversity, perfect for a leisurely hike to experience the primeval forest and breathe in the refreshing phytoncides.

The most convenient and hassle-free way to travel to the Southern Cross-Island Highway from Tainan or Kaohsiung city is to opt for a day tour package that includes private transportation. This eliminates the fatigue of driving yourself and the unfamiliarity with road conditions. A professional driver will guide you efficiently to attractions like Yakou for the sea of clouds, Tianchi, and the Zhongzhi Pass Trail, allowing you to effortlessly enjoy the stunning scenery.