
In numbers.
24m³/s
Average flow
estimate
Jan–Apr
Best months
1,440m
Elevation
The water at Tang-e Zendan Waterfall, month by month
It roars from March to April.
The fullest months: from March to April. The thinnest: from June to October.
- 72 m³/sJan
- 71 m³/sFeb
- 102 m³/sMar
- 80 m³/sApr
- 34 m³/sMay
- 8.9 m³/sJun
- 2.3 m³/sJul
- 2.0 m³/sAug
- 2.0 m³/sSep
- 3.4 m³/sOct
- 40 m³/sNov
- 57 m³/sDec
From about 2.0 m³/s in the lowest month to 102 m³/s in the highest. Best months to go, with plenty of water and pleasant days: from January to April.
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 Chaharmahal and Bakhtiari Province, Iran
Tang-e Zendan Waterfall is a waterfall in Iran.
Getting there.
- Ālūnīnearest town · 15 km in a straight line
- Isfahan Shahid Beheshti International Airport (IFN)nearest airport with scheduled flights · 149 km in a straight line
- From January to Aprilbest months to go (estimate)
Plan your visit
Stay, explore and get there
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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 84 m in 3.6 km. Here the river runs about 400 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
- 2other named waterfalls within 4 kmآبشار تنگ زندان, آبشار کرودیکن
- —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
- Ālūnī15 km in a straight line
- Kīnak18 km in a straight line
- Lordegān22 km in a straight line
- Deh Şaḩrā22 km in a straight line
- Konarak-e ‘Olyā23 km in a straight line
- Kohyān24 km in a straight line
- Shesh Bahreh-ye Bālā24 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 | 10 | 12 | 17 | 22 | 29 | 37 | 39 | 38 | 34 | 27 | 18 | 12 |
| Night °C | 0 | 2 | 5 | 9 | 14 | 19 | 22 | 21 | 17 | 12 | 6 | 2 |
| Rain & snow (mm) | 61 | 46 | 60 | 45 | 10 | 2 | 2 | 2 | 2 | 10 | 55 | 68 |
| Wet days | 8 | 6 | 6 | 6 | 2 | 0 | 0 | 0 | 0 | 1 | 5 | 7 |
| Sun h/day | 6.4 | 7.1 | 9.0 | 9.5 | 11.8 | 13.7 | 12.4 | 12.3 | 11.6 | 10.1 | 7.9 | 6.8 |
| Snow on the ground (cm) | 14 | 13 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 11 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide, with temperatures carried to the height of the falls (1,440 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 | 107% | 113% | 165% | 232% | 30% | — | — | — | — | 12% | 263% | 101% |
| 2021 | 14% | 147% | 44% | 12% | 55% | — | — | — | — | 0% | 73% | 136% |
| 2022 | 136% | 105% | 73% | 29% | 67% | — | — | — | — | 0% | 157% | 87% |
| 2023 | 201% | 335% | 83% | 19% | 30% | — | — | — | — | 161% | 71% | 33% |
| 2024 | 57% | 250% | 243% | 42% | 566% | — | — | — | — | 161% | 61% | 20% |
| 2025 | 15% | 90% | 181% | 39% | 12% | — | — | — | — | 0% | 0% | 182% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
About these numbers
| Names, height, width, river | Wikidata (Q111281410) · CC0 |
|---|---|
| River flow and catchment | HydroATLAS / RiverATLAS v1.0 (Linke et al. 2019) · CC BY 4.0 |
| 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
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Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.



