Sun Moon Lake ( zh, t=, p=Rìyuè tán, poj= ;
Thao: ''Zintun'') is a
lake
A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...
in
Yuchi Township,
Nantou County
Nantou is the second largest County (Taiwan), county of Taiwan by area, located in the central part of the country. It is also the only non-coastal county in Taiwan. Its name derives from the Hoanya people, Hoanya Taiwanese aborigines, Taiwanese ...
,
Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
. It is the largest body of water in Taiwan. The area around the lake is home to the
Thao people
The Thao/Ngan () are a small group of Taiwanese indigenous peoples who have lived near Sun Moon Lake (Zintun, Lake Candidius) in central Taiwan for at least a century, and probably since the time of the Qing dynasty. The Thao/Ngan people numbere ...
, one of Taiwan's
indigenous ethnic groups.
Sun Moon Lake surrounds a tiny island called
Lalu.
The east side of the lake resembles a sun while the west side resembles a moon, hence the name.
Sun Moon Lake is located above
sea level
Mean sea level (MSL, often shortened to sea level) is an mean, average surface level of one or more among Earth's coastal Body of water, bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical ...
. It is deep and has a
surface area
The surface area (symbol ''A'') of a solid object is a measure of the total area that the surface of the object occupies. The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the d ...
of approximately . The area surrounding the lake has many trails for hiking.
While swimming in Sun Moon Lake is usually not permitted, there is an annual 3-km race called the ''Swimming Carnival of Sun Moon Lake'' held around the
Mid-Autumn Festival
The Mid-Autumn Festival (for other names, see § Etymology) is a harvest festival celebrated in Chinese culture. It is held on the 15th day of the 8th month of the Chinese lunisolar calendar with a full moon at night, corresponding to mid- ...
each year. The Sun Moon Lake Swimming Carnival was launched in 1983 and is listed among the Top 50 Open Water Swims in Asia and the Top 100 Open Water Swims of the World. Everyone over 10 years old and with the ability to swim long distances can join, regardless of nationality. In recent years, the participants have numbered in the tens of thousands. Other festivities held at the same time include
fireworks
Fireworks are Explosive, low explosive Pyrotechnics, pyrotechnic devices used for aesthetic and entertainment purposes. They are most commonly used in fireworks displays (also called a fireworks show or pyrotechnics), combining a large numbe ...
,
laser shows, and
concerts
A concert, often known informally as a gig or show, is a live performance of music in front of an audience. The performance may be carried by a single musician, in which case it is sometimes called a recital, or by a musical ensemble such as an ...
.
The lake and its surrounding countryside have been designated one of thirteen
national scenic areas in Taiwan.
Wen Wu Temple was built after rising water levels from building a dam forced several smaller temples to be removed. Tzu-En Pagoda ( zh, t=慈恩塔, p=Cí'ēn Tǎ, labels=no) was ordered constructed by late President
Chiang Kai-shek in 1971 in memory of his mother. Other temples of note include Jianjing Temple,
Syuentzang Temple ( zh, t=玄奘寺, p=Xuánzàng Sì, labels=no) and Syuanguang Temple ( zh, t=玄光寺, p=Xuánguāng Sì, labels=no).
History

In older English literature, it was commonly referred to as Lake Candidius after the 17th-century Dutch missionary
Georgius Candidius. In the middle of the lake is the
Lalu Island, which is considered holy ground by the
Thao tribe.
In legend, Thao hunters discovered Sun Moon Lake while chasing a white deer through the surrounding mountains. The deer eventually led them to the lake, which they found to be not only beautiful, but abundant with fish. Today, the white deer of legends is immortalized as a marble statue on Lalu Island.

Under
Japanese rule, the island was renamed . After
Chiang Kai-shek's
Nationalist
Nationalism is an idea or movement that holds that the nation should be congruent with the State (polity), state. As a movement, it presupposes the existence and tends to promote the interests of a particular nation,Anthony D. Smith, Smith, A ...
Government moved to Taiwan, the island was renamed ''Kwanghwa Island'' ( zh, t=光華島, Kong-hôa-tó, l=glorious China island) and in 1978 the local government built a pavilion where annual weddings took place. In 1999, the
921 earthquake destroyed the pavilion and sank most of the island. In recent years, due to increasing social and political awareness, more deference and recognition are being given to
Taiwanese aborigines
Taiwanese may refer to:
* of or related to Taiwan
**Culture of Taiwan
**Geography of Taiwan
** Taiwanese cuisine
*Languages of Taiwan
** Formosan languages
** Taiwanese Hokkien, also known as the Taiwanese language
* Taiwanese people, residents of ...
. As a result, after the 921 earthquake, the island was renamed in the
Thao language as "Lalu".
Several
hydroelectric
Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...
power plants have been built in the Sun Moon Lake since 1919, including
Mingtan Pumped Storage Hydro Power Plant and
Minhu Pumped Storage Hydro Power Station. When the first hydroelectric plant was finished in 1934, it was considered to be one of the most important infrastructure constructions of the time.
Wujie Dam, also completed in 1934, diverts water from the
Zhuoshui River to increase hydroelectric generation at the lake. The
Jiji Line railroad was built to facilitate the construction.
Transportation

There are three ferry piers on the lake to serve ferries on the lake; they are
Shuishe Pier,
Xuanguang Pier and
Ita Thao Pier. There is also a local bus service that goes around the lake with stops at major points along the perimeter of the lake.
The lake is accessible by bus from
Taichung HSR station
Taichung HSR () is a railway and metro station in Wuri District, Taichung, Taiwan. It is served by Taiwan High Speed Rail and the Green line of the Taichung MRT. The station is adjacent to Xinwuri station of Taiwan Railway.
History
The de ...
or
Taichung TRA station. It is also accessible by bus from near
Checheng railway station on the Jiji branch line.

The
Sun Moon Lake Ropeway, located at the edge of the lake, connects it with the
Formosan Aboriginal Culture Village.
Wildlife
The lake is a productive aquatic ecosystem. Introduced
giant snakehead pose a challenge to the ecological balance of the lake and are a threat to native fish and shrimp species. The Nantou County Bureau of Agricultural Affairs has in place an eradication program for the species which attempts to
electrofish schools of juvenile fish.
PRC passport
The depiction of Sun Moon Lake is featured in the newly-issued
People's Republic of China passport in 2012, a move that has triggered protest from
Taipei
, nickname = The City of Azaleas
, image_map =
, map_caption =
, pushpin_map = Taiwan#Asia#Pacific Ocean#Earth
, coordinates =
, subdivision_type = Country ...
to
Beijing
Beijing, Chinese postal romanization, previously romanized as Peking, is the capital city of China. With more than 22 million residents, it is the world's List of national capitals by population, most populous national capital city as well as ...
.
Climate
See also
*
Mingtan Dam
*
Xuanzang Temple
*
Sun Moon Lake Wen Wu Temple
*
List of tourist attractions in Taiwan
Popular tourist attractions in Taiwan include the following:
Attractions Historical buildings
* Beihai Tunnel (Beigan), Beihai Tunnel, Beigan ()
* Beihai Tunnel (Nangan), Beihai Tunnel, Nangan ()
* Bopiliao Historic Block
* Daxi Wude Hall ()
* E ...
References
External links
Sun Moon Lake website
*
{{Authority control
Lakes of Taiwan
Landforms of Nantou County
Tourist attractions in Nantou County
National scenic areas of Taiwan