Why go
The main island has rugged eastern ranges, a gentler western plain and offshore groups with different settings. Yu Shan rises above the central mountains, while coastal and lowland climates change from north to south. The geography explains why two nearby points on a map may involve a substantial journey, and why mountain or coast days need weather flexibility.
The full story
Taiwan lies across the Taiwan Strait from southeastern China, with the Philippine Sea to its east. The island straddles the Tropic of Cancer. Its eastern two-thirds are dominated by roughly parallel mountain ranges, while flatter western land holds much of the population. Yu Shan is the island’s highest peak. This relief is the basic planning fact: western cities form one travel corridor, while the eastern side has a different rhythm and far fewer easy crossings. The active tectonic boundary that raised the mountains also brings earthquakes. Climate varies from subtropical in the north to tropical in the south, under the influence of the East Asian monsoon. Typhoons can affect the island. For a visitor, that means highland walks and exposed coastlines benefit from flexible plans, particularly when severe weather is forecast. Penghu sits in the strait, and other outlying islands widen the geographic range still further. Taiwan is compact by area, but its terrain makes a single uniform itinerary misleading.