The lake's name translates to 'Carp Lake' due to the mountain's resemblance to a leaping carp.
It is a tectonic lake formed by the interaction of local geological faults and stream erosion.
The area is a recognized habitat for the Formosan firefly, with peak viewing seasons in spring.
The surrounding Liyu Mountain is composed primarily of metamorphic rock formations.
Water levels are maintained by underground springs and seasonal runoff from the Central Mountain Range.
Liyu Lake is the largest inland lake in Hualien County, shaped by the natural damming of a mountain stream. The lake is surrounded by a 5-kilometer circular trail popular for cycling and walking. It serves as a vital ecological hub for diverse bird species and endemic amphibians. The area features a dedicated water sports zone for paddle boating and electric boat rentals. Lush forest-covered hills surround the perimeter, providing natural windbreaks and cooling effects. The lake sits at the foot of Liyu Mountain, which features a network of hiking trails reaching its peak.
The wooden observation deck near the lakeside plaza provides a panoramic view of the water with the mountain backdrop.
Rent a bicycle from local vendors at the lake entrance to complete the 5km loop faster.
Check local weather forecasts as Hualien's mountain valleys can experience rapid micro-climate shifts.
Bring mosquito repellent, as the lake's freshwater ecosystem attracts insects during humid months.
Avoid swimming in the lake, as it is restricted to boat-based recreation and ecological protection.
Maintain noise levels to avoid disturbing local wildlife, and dispose of all trash in designated bins to protect the water quality.