River
Amga
1,462 km from source to mouth · Russia.
RussiaFlows into Aldan
In numbers
Length
1,462km
Average flow
180m³/s
Basin
69,300km²
Drop
628m
from 582 m to -46 m
Country
1
The journey
From source to mouth
1,462 km of river and 4 stops on the way: 0 towns and cities on its banks, dams, bridges and the tributaries that feed it.
- 0 kmStanovoy Rangeat 582 m
- 468 kmRailway bridge through Amga river in Verkhnyaya Amga
- 468 kmRoad bridge over Amga River in Verkhnyaya Amga
- 564 kmUlu Rivertributary
- 712 kmBorulakhtributary
- 1,462 kmAldanat -46 m
Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.
River in Yakutia, Russia
At the mouth it carries 178 m³/s on average: an Olympic pool every 14 seconds. It drops from 582 m to -46 m, 0.4 m per kilometre on average. Its basin covers 69,300 km², about the size of GE. 34,000 people live in it. Highest water, with the snowmelt: from May to July; lowest: from January to April. No large dam holds it back: it is one of the world's free-flowing rivers.
Where to start
- KhandygaLargest city on its banks · 6,796 people
- On the water4 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
- From June to AugustThe best months to visit
Amga, month by month
Highest water: from May to July
Lowest water: from January to April. Freezing months (average below −4 °C): from October to April. Melting snow makes up much of its water. Best months to visit: from June to August.
From about 9.7 m³/s in the lowest month to 700 m³/s in the highest. An estimate: the monthly flow is modelled from the lowest and highest months of WaterGAP (RiverATLAS, 1971–2000) and the rain and snow along the river (WorldClim). Dams change the real rhythm. The chip is the average air temperature; below it, the month's rain.
Plan the trip
Plan the trip: boat trips, a bed by the river, a car
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The basin
Amga: the basin in numbers
69,036 km² of land send their water to this river. This is what lives on it.
- 34,000people live in the basin
- 0/km²people per km²
- 399maverage altitude of the basin
- 377mmof rain a year (basin average)
- -9.2°Caverage air temperature
- 27%protected areas
- 91%permafrost
What covers the basin
- 88% Forest
RiverATLAS (HydroATLAS v1.0, CC BY 4.0): land cover, people, protected areas, glaciers and dams over the whole basin upstream of the mouth.
Along the river
Amga: what you find on the way
- 2Ferry piers
From OpenStreetMap, within 2.3 km of the river. Not mapped is not the same as not there.
From space
The source and the mouth, seen from orbit


Sentinel-2 cloudless 2016 by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2016), CC BY 4.0. The glowing line is the river as drawn by RiverATLAS.
Photos
Amga in pictures


Tributaries
Where it flows, and what flows into it
It flows into
AldanTributaries (6)
Also: Ulu River, Borulakh, Syngylyr, Biyelime, Titiktyakh, Kyungkyuy
Where these numbers come from
| Name, length, places | Wikidata (Q186155) · CC0 |
|---|---|
| Course, profile, basin | RiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed from the source to the mouth given by Wikidata |
| Flow | WaterGAP (RiverATLAS), 1971–2000 · CC BY 4.0 |
| Climate along the river | WorldClim (RiverATLAS), 1970–2000 · CC BY 4.0 |
| Towns, bridges, dams | Wikidata · CC0; GeoNames · CC BY 4.0 |
| Along the river | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every source and licence is on the data sources page.
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.