River
Suir
184 km from source to mouth · Ireland.
IrelandFlows into Celtic Sea3rd longest in Ireland
In numbers
Length
184km
Average flow
88m³/s
Basin
3,526km²
Drop
107m
from 106 m to -1 m
Country
1
The journey
From source to mouth
184 km of river and 10 stops on the way: 5 towns and cities on its banks, dams, bridges and the tributaries that feed it.
- 0 kmSourceat 106 m
- 19 kmThurles7,940 people
- 33 kmTwoford Bridges
- 40 kmArdmayle Bridge
- 73 kmCahir3,593 people
- 111 kmCluain Meala18,369 people
- 137 kmCarrick-on-Suir5,771 people
- 171 kmRiver Suir Bridge
- 174 kmRedmond Bridge
- 176 kmWaterford60,079 people
- 184 kmBarrowtributary
- 184 kmCeltic Seaat -1 m
Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.
River in Ireland
At the mouth it carries 88 m³/s on average: an Olympic pool every 29 seconds. It drops from 106 m to -1 m, 0.6 m per kilometre on average. Its basin covers 3,526 km², about the size of CV. 187,000 people live in it. Highest water: from December to January. No large dam holds it back: it is one of the world's free-flowing rivers.
Where to start
- WaterfordLargest city on its banks · 60,079 people
- Cork International Airport (ORK)Nearest airport with scheduled flights, 105 km from the cityCar hire at ORK airport (Cork)Discover Cars · Affiliate link↗
- On the water18 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
- From June to AugustThe best months to visit
Suir, month by month
Highest water: from December to January
Best months to visit: from June to August.
From about 35 m³/s in the lowest month to 150 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
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.
The basin
Suir: the basin in numbers
3,512 km² of land send their water to this river. This is what lives on it.
- 187,000people live in the basin
- 54/km²people per km²
- 132maverage altitude of the basin
- 1,046mmof rain a year (basin average)
- 9.2°Caverage air temperature
- 1%protected areas
What covers the basin
- 2% Forest
- 29% Cropland
- 59% Pasture
- 2% Towns and cities
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
Suir: what you find on the way
- 16WeirsCoolnamuck Salmon Weir and 15 more
- 14Boat rampsPollrone Quay, Granny Boatclub Slipway and 12 more
- 2Ferry piers
- 2Marinas
From OpenStreetMap, within 1.5 km of the river. Not mapped is not the same as not there.
Cross-checked with our atlases
Suir in our other atlases
What our sister atlases know about the waterfalls on this river, the lakes it flows through, the beaches at its mouth, the mountains where it rises and the islands off its mouth.
4beaches at the mouth and on the banksCoastya
12mountains at the sourcePeakyas
Beaches (4)
At the mouth (25 km) and on the banks, by Coastya
- Tramore Strand14 km away15.7°C
- Boat Strand24 km away15.8°C
- Back Strand12 km away · cove15.7°C
- Kilmurrin Cove24 km away · cove15.8°C
Mountains at the source (12)
Within 15 km of the source, by Peakyas
- Devil's Bit4.3 km away478m
- Latteragh9.5 km away · prominence 90 m373m
- Knockadigeen15 km away
- Knockacraheen Hill14 km away
- Screggaun15 km away
- Benduff1.2 km away
- Borrisnoe Mountain1.7 km away
- Kilduff Mountain2.8 km away
4 more on PeakyasOpen Peakyas ↗
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
Suir in pictures
Tributaries
Where it flows, and what flows into it
Tributaries (5)
Also: Aherlow River, River Tar, River Duag, Black Water
Nearby
Rivers nearby
Ireland192 km110 m³/s3 km awayRiver NoreIreland140 km51 m³/s18 km awayRiver SlaneyIreland117 km40 m³/s37 km awayMunster BlackwaterIreland168 km89 m³/s65 km awayRiver ShannonIreland368 km200 m³/s124 km awayLiffeyIreland125 km14 m³/s132 km awayLeeIreland90 km45 m³/s109 km awayRiver BoyneIreland112 km46 m³/s171 km awayWhere these numbers come from
| Name, length, places | Wikidata (Q1128134) · 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 |
| Our other atlases | Coastya, Peakyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; HydroLAKES · CC BY 4.0; NOAA OISST |
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.
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Every island from the sea up: size, sea temperature, ferries and 3D.Coming soonVisit 
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Every river from source to sea: the journey, the flow and the basin in numbers.You are here
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Every canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit