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France France Waterfall

Trou de Fer

A 300 m drop.

When to go

ReU TROUdeFER
Bbb · CC BY-SA 3.0

In numbers.

300m

Height

OpenStreetMap

Jan–Apr

Best months

976m

Elevation

The water at Trou de Fer, month by month

It roars from February to March.

The fullest months: from February to March. The thinnest: from June to December.

  1. 71%Jan
  2. 81%Feb
  3. 100%Mar
  4. 69%Apr
  5. 42%May
  6. 24%Jun
  7. 16%Jul
  8. 14%Aug
  9. 14%Sep
  10. 13%Oct
  11. 18%Nov
  12. 22%Dec
high water best months to go

Best months to go, with plenty of water and pleasant days: from January to April.

Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.

Canyon on Reunion Island

Trou de Fer is a waterfall in France. The water falls 300 m. It lies within Réunion National Park.

Read more on Wikipedia

Getting there.

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.

How big is it?

How big it really is.

300 mTrou de Fer93 mStatue ofLiberty96 mBig Ben139 mGreat Pyramid330 mEiffel Tower

Height of the drop as mapped in OpenStreetMap (© OpenStreetMap contributors). Buildings and the person are drawn at the same scale.

Seen from the sky.

8 × 8 km of cloud-free satellite image, with what OpenStreetMap knows around the falls.

Trou de Fer seen from above (Sentinel-2) N 2 km

Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 8 × 8 km, north up. Points © OpenStreetMap contributors.

The Bras de Caverne through the falls
600 m800 m1,000 mTrou de Fer0+0.5 km+1 km+1.5 km← upstreamdownstream →

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.

The valley below the falls
−690 m+690 m

Around the falls the river drops 489 m in 2.2 km. Here the river runs about 219 m below the lower rim of its valley.

What is around.

  • 6viewpointsTrou de Fer and 5 more
  • 2waymarked walking routesSentier du Trou de Fer, Sentier de l'École normale
  • 9car parks
  • —swimming spots
  • —picnic sites
  • 1toilets
  • —information boards and visitor centres
  • —bus stops within 1 km
  • 3other named waterfalls within 4 kmVoile de la Mariée, Cascade Blanche, Cascade des demoiselles
  • —caves
  • 4campsitesSite de Bivouac, Bivouac, Camping à la Ferme Le Relax and 1 more
  • 43hotels, B&Bs and huts within 6 kmLes Jardins d’Héva, Chez Alice, La Mandoze and 40 more
  • 2restaurants 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

  • Salazie2.3 km in a straight line
  • La Plaine-des-Palmistes13 km in a straight line
  • Saint-André13 km in a straight line
  • Bras-Panon14 km in a straight line
  • Cilaos14 km in a straight line
  • Sainte-Suzanne16 km in a straight line
  • Sainte-Marie16 km in a straight line
  • La Mare16 km in a straight line

Weather

The weather, month by month.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon °C242423222018181818202223
Night °C192019181715141414151718
Rain & snow (mm)140114143765337313133344655
Wet days191819161514131312121214
Sun h/day8.78.88.38.37.87.67.88.69.49.810.110.1

Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (976 m) at −6.5 °C per 1,000 m. Not a forecast.

Photos

Through visitors' eyes.

La Réunion Trou-de-Fer3
BBCLCD · CC BY-SA 4.0
Le Trou de Fer
Jean-Louis Sicot · CC BY-SA 4.0
Réunion TrouDeFer Fall
B.navez · CC BY-SA 3.0

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020211%53%165%54%55%98%139%68%84%127%29%57%
202128%40%93%425%63%159%97%112%57%145%26%116%
2022135%151%69%142%42%103%111%96%65%44%27%38%
2023129%36%64%136%78%111%75%125%24%31%159%91%
2024199%67%89%160%75%184%36%77%79%80%60%36%
202525%165%98%99%82%45%94%108%80%55%134%284%

130% wetter than usual 70% drier than usual

Compare with the waterfalls nearby.

Trou de Fer

France

  • 300 mHeight
  • —Average flow
  • Jan–AprBest months

Cascade Blanche

France

  • 640 mHeight
  • —Average flow
  • Jan–AprBest months

See the guide

Bridal Veil Falls (Salazie)

France

  • —Height
  • —Average flow
  • Jan–AprBest months

See the guide

Cascade du Chien

France

  • 150 mHeight
  • —Average flow
  • Jan–AprBest months

See the guide

About these numbers

Names, height, width, riverWikidata (Q593481) · CC0
Height of the drop© OpenStreetMap contributors · ODbL
ClimateNASA POWER, 1991–2020
Relief, river profile, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Paths, viewpoints, parking© OpenStreetMap contributors · ODbL
ImagesEOX 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 or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.