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India India Waterfall

Agaya Gangai

A 91 m drop.

When to go

Kolli Malai Aagaya Gangai Falls
The original uploader was Kurumban at Tamil Wikipedia . · CC BY-SA 3.0

In numbers.

91m

Height

0.14m³/s

Average flow

estimate

Sep–Dec

Best months

121kW

Water power

estimate

The water at Agaya Gangai, month by month

It roars from October to November.

The fullest months: from October to November. The thinnest: from January to April and from June to July.

  1. 0.1 m³/sJan
  2. 0.0 m³/sFeb
  3. 0.0 m³/sMar
  4. 0.1 m³/sApr
  5. 0.2 m³/sMay
  6. 0.1 m³/sJun
  7. 0.1 m³/sJul
  8. 0.2 m³/sAug
  9. 0.3 m³/sSep
  10. 0.5 m³/sOct
  11. 0.6 m³/sNov
  12. 0.3 m³/sDec
high water best months to go

From about 0.03 m³/s in the lowest month to 0.56 m³/s in the highest. Best months to go, with plenty of water and pleasant days: from September to December.

Estimate: the timing comes from rain, snowmelt and evaporation (NASA POWER, 1991–2020); the amounts from the river model of HydroATLAS (WaterGAP, 1971–2000). Dams upstream can change the real flow.

Waterfall in India

Agaya Gangai is a waterfall in India. The water falls 91 m.

Read more on Wikipedia

Getting there.

Plan your visit

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How big is it?

How big it really is.

91 mAgaya Gangai1.8 ma person56 mTower of Pisa93 mStatue ofLiberty96 mBig Ben

Height of the drop from Wikidata. Buildings and the person are drawn at the same scale.

121 kW

About 0.14 m³/s falling 91 m: the power of the water as it drops.

  • enough to power about 30 homes, if it were all turned into electricity

Power of falling water = density × gravity × flow × height. Average flow and height as shown above; an estimate.

Seen from the sky.

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

Agaya Gangai 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 river through the falls
600 m800 m1,000 mAgaya Gangai-1.5 km-1 km-0.5 km0+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 449 m in 3.3 km. Here the river runs about 119 m below the lower rim of its valley.

What is around.

  • —viewpoints
  • —waymarked walking routes
  • —car parks
  • —swimming spots
  • —picnic sites
  • —toilets
  • —information boards and visitor centres
  • —bus stops within 1 km
  • —other named waterfalls within 4 kmகொல்லிமலை அருவி
  • —caves
  • —campsites
  • —hotels, B&Bs and huts within 6 km
  • —restaurants 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

  • Bālakrishnanpatti10 km in a straight line
  • Mettuppālaiyam13 km in a straight line
  • Uppiliyapuram13 km in a straight line
  • Tāttayyangārpettai17 km in a straight line
  • Sendamangalam18 km in a straight line
  • Erumaippatti18 km in a straight line
  • Kālappanāyakkanpatti18 km in a straight line
  • Tammampatti22 km in a straight line

Weather

The weather, month by month.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon °C273034343230303029272525
Night °C131418212119191918181614
Rain & snow (mm)6818418346648611216113346
Wet days2236121010141620167
Sun h/day7.89.19.19.08.27.46.66.76.96.05.35.9

Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (862 m) at −6.5 °C per 1,000 m. Not a forecast.

Photos

Through visitors' eyes.

Kolli-Hills Water falls (கொல்லி-மலை)
AMALAN619 · CC BY-SA 3.0
Scenic beauty of Kolli waterfalls
ANAND NANO · CC BY-SA 4.0
AgayaGangai falls, kolli hills
Venkatesan P.R.S · CC BY-SA 4.0

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
202050%8%19%68%34%131%226%108%129%71%100%163%
20211,315%143%43%134%239%123%183%92%129%118%185%52%
2022226%18%158%173%143%190%157%220%77%98%81%154%
202340%84%139%68%139%84%79%88%107%65%103%69%
2024340%0%0%12%209%203%70%204%17%170%58%352%
2025185%8%160%132%184%112%34%64%103%86%50%27%

130% wetter than usual 70% drier than usual

Compare with the waterfalls nearby.

Agaya Gangai

India

  • 91 mHeight
  • 0.14 m³/sAverage flow
  • Sep–DecBest months

Kiliyur Falls

India

  • —Height
  • —Average flow
  • Sep–DecBest months

See the guide

Hogenakkal Falls

India

  • 20 mHeight
  • 194 m³/sAverage flow
  • Sep–DecBest months

See the guide

Kutladampatti Falls

India

  • —Height
  • —Average flow
  • Oct–DecBest months

See the guide

About these numbers

Names, height, width, riverWikidata (Q38097) · CC0
River flow and catchmentHydroATLAS / RiverATLAS v1.0 (Linke et al. 2019) · CC BY 4.0
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.