
In numbers.
Jun–Sep
Best months
703m
Elevation
The water at Longgong Waterfall, month by month
It roars from June to September.
The fullest months: from June to September. The thinnest: from November to April.
- 7%Jan
- 6%Feb
- 9%Mar
- 16%Apr
- 46%May
- 79%Jun
- 76%Jul
- 100%Aug
- 77%Sep
- 36%Oct
- 14%Nov
- 6%Dec
Best months to go, with plenty of water and pleasant days: from June to September.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Waterfall in Meishan, Chiayi County, Taiwan
Longgong Waterfall is a waterfall in Taiwan.
Getting there.
- Douliunearest town · 21 km in a straight line
- Parking 380 m awaynearest car park in OpenStreetMap, straight line
- Chiayi Airport (CYI)nearest airport with scheduled flights · 29 km in a straight lineCar hire in TaichungDiscover Cars · Affiliate link↗
- From June to Septemberbest months to go (estimate)
Plan your visit
Stay, explore and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
Seen from the sky.
8 × 8 km of cloud-free satellite image, with what OpenStreetMap knows around the falls.
N
2 km
Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 8 × 8 km, north up. Points © OpenStreetMap contributors.
The line follows the river as mapped in OpenStreetMap; heights from the 30 m Copernicus model, which smooths narrow drops — the published height of the falls is the one above.
Around the falls the river drops 208 m in 1.8 km. Here the river runs about 122 m below the lower rim of its valley.
What is around.
- 12viewpoints南天巨屏, 柴巃古道, 進學古道 and 9 more
- 1waymarked walking routes青年嶺步道
- 9car parks
- —swimming spots
- —picnic sites
- 6toilets
- —information boards and visitor centres
- 2bus stops within 1 km
- 8other named waterfalls within 4 km向山瀑布, 中正大瀑布, 雷音瀑布 and 5 more
- —caves
- 2campsites29.5k咖啡莊園
- 20hotels, B&Bs and huts within 6 kmRuoh-Lan Resort, Firefly farm guest house, 山嵐小築 and 17 more
- 8restaurants and cafés within 3 km
Counted in OpenStreetMap, the map anyone can edit, up to 2 km around the falls (unless noted). A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).
Towns nearby
- Douliu21 km in a straight line
- Zhushan22 km in a straight line
- Chiayi City23 km in a straight line
- Pizitou23 km in a straight line
- Lugu23 km in a straight line
- Linnei23 km in a straight line
Weather
The weather, month by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon °C | 21 | 22 | 24 | 27 | 28 | 27 | 28 | 28 | 27 | 27 | 25 | 22 |
| Night °C | 10 | 12 | 13 | 16 | 19 | 21 | 21 | 21 | 20 | 18 | 16 | 12 |
| Rain & snow (mm) | 47 | 39 | 66 | 102 | 252 | 343 | 268 | 400 | 228 | 73 | 47 | 37 |
| Wet days | 7 | 9 | 10 | 12 | 18 | 19 | 20 | 22 | 16 | 8 | 6 | 5 |
| Sun h/day | 5.0 | 4.9 | 4.4 | 4.5 | 5.1 | 5.7 | 6.7 | 5.6 | 6.0 | 6.4 | 5.4 | 5.1 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (703 m) at −6.5 °C per 1,000 m. Not a forecast.
Recent years
Wet years and dry years
Rain of each month as a share of the 1991–2020 average. A wet season above 100 % usually means a fuller waterfall.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 82% | 84% | 145% | 69% | 195% | 37% | 48% | 114% | 40% | 27% | 91% | 105% |
| 2021 | 17% | 96% | 37% | 35% | 62% | 152% | 100% | 136% | 38% | 203% | 62% | 101% |
| 2022 | 136% | 263% | 151% | 32% | 115% | 41% | 39% | 33% | 22% | 74% | 119% | 43% |
| 2023 | 48% | 34% | 32% | 88% | 36% | 40% | 53% | 73% | 100% | 85% | 6% | 65% |
| 2024 | 34% | 55% | 47% | 127% | 39% | 47% | 106% | 34% | 88% | 257% | 141% | 50% |
| 2025 | 55% | 173% | 168% | 119% | 80% | 77% | 311% | 71% | 71% | 108% | 169% | 108% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
About these numbers
| Names, height, width, river | Wikidata (Q11180496) · CC0 |
|---|---|
| Climate | NASA POWER, 1991–2020 |
| Relief, river profile, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Paths, viewpoints, parking | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves or dark skies?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.



