Zengwen Reservoir
Zengwen Reservoir is a lake in Tainan / Chiayi. Anglers here fish mainly for Grass Carp, Mandarin Fish and Largemouth Bass.
Best day to fish
The bite over the next days, scored at dusk. Based on the weather forecast, so it is guidance, not guarantees.
Conditions right now
Water temperature is an estimate based on weather and season.
Best times today
Local time at the spot, from the most likely species' daily rhythm.
Feeding times today
Solunar times are a traditional guide based on the moon's position, separate from the live ranking above. Local time at the spot.
Next hours
Likely catch now (4 species)
About the fishing here
Popular catches here include Grass Carp, Mandarin Fish, Largemouth Bass and Common Carp.
Grass Carp fishing is usually best around May-Aug. The best windows are usually dawn and dusk.
A national or regional fishing permit is generally required here. Check the local rules. Napp ranks the species above from the live weather, water temperature, season and time of day, so the order changes through the day.
Guides for this water
Tips right now
Fishing permit
You need a fishing permit (fiskekort) to fish here. Buy it online:
About this water
Zengwen Dam, also spelled Tsengwen Dam, is a major earthen dam in Dapu Township, Chiayi County, Taiwan on the Zengwen River. It is the third tallest dam in Taiwan, and forms Zengwen Reservoir (曾文水庫), the biggest reservoir in Taiwan by volume. The dam stores water for irrigation of the Chianan Plain, Taiwan's most productive agricultural region, and provides flood control along the Zengwen River which flows through Tainan City. The dam supports a 50 megawatt hydroelectric power station.
Read more on Wikipedia →Map
Common questions
What fish can you catch at Zengwen Reservoir?
Popular catches here include Grass Carp, Mandarin Fish, Largemouth Bass and Common Carp.
Do you need a fishing license at Zengwen Reservoir?
Usually yes. Most countries require a national or regional fishing permit. Check the local rules via the link on this page.
When is the best time to fish Zengwen Reservoir?
Grass Carp fishing is usually best around May-Aug. The best windows are usually dawn and dusk.
What is biting at Zengwen Reservoir right now?
Right now Grass Carp is the most likely catch, at about 37%.



