Yilan's mountainous terrain is characterized by its rugged hills and steep slopes, forming part of the Central Mountain Range in Taiwan. The region features a variety of elevations, with peaks that rise dramatically, creating stunning landscapes and diverse ecosystems. The mountains in Yilan are not only visually striking but also play a crucial role in the local climate. They help to create a unique microclimate, influencing rainfall patterns and supporting rich biodiversity. This mountainous area is popular for outdoor activities such as hiking and birdwatching, attracting nature enthusiasts year-round.