River
Garigliano
38 km from source to mouth · Italy.
ItalyFlows into Tyrrhenian Sea
In numbers
Length
38km
Average flow
120m³/s
Basin
5,020km²
Drop
23m
from 22 m to -1 m
Country
1
The journey
From source to mouth
38 km of river and 4 stops on the way: 2 towns and cities on its banks, dams, bridges and the tributaries that feed it.
- 0 kmSourceat 22 m
- 7 kmLiritributary
- 26 kmCastelforte2,676 people
- 29 kmGrunuovo-Campomaggiore San Luca3,912 people
- 36 kmReal Ferdinando Bridge
- 38 kmTyrrhenian Seaat -1 m
Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.
River in Italy
At the mouth it carries 120 m³/s on average: an Olympic pool every 21 seconds. It drops from 22 m to -1 m, 0.6 m per kilometre on average. Its basin covers 5,020 km², about the size of TT. 664,000 people live in it. Highest water: from November to January; lowest: from June to September. No large dam holds it back: it is one of the world's free-flowing rivers.
Where to start
- Grunuovo-Campomaggiore San LucaLargest city on its banks · 3,912 people
- Naples International Airport (NAP)Nearest airport with scheduled flights, 59 km from the cityCar hire at NAP airport (Napoli)Discover Cars · Affiliate link↗
- From May to SeptemberThe best months to visit
Garigliano, month by month
Highest water: from November to January
Lowest water: from June to September. Best months to visit: from May to September.
From about 15 m³/s in the lowest month to 170 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
Garigliano: the basin in numbers
4,059 km² of land send their water to this river. This is what lives on it.
- 664,000people live in the basin
- 163/km²people per km²
- 514maverage altitude of the basin
- 947mmof rain a year (basin average)
- 12.8°Caverage air temperature
- 7%protected areas
What covers the basin
- 36% Forest
- 40% Cropland
- 8% Pasture
- 10% 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
Garigliano: what you find on the way
- 3Weirs
From OpenStreetMap, within 1.6 km of the river. Not mapped is not the same as not there.
Cross-checked with our atlases
Garigliano 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.
14beaches at the mouth and on the banksCoastya
21mountains at the sourcePeakyas
Beaches (14)
At the mouth (25 km) and on the banks, by Coastya
- Spiaggia Lido Villaggiokm 3525.9°C
- Spiaggia di Sèrapo17 km away25.9°C
- Spiaggia delle Bambole24 km away25.9°C
- Spiaggia Dell'Agave19 km away25.9°C
- Ultima spiaggia18 km away25.9°C
- Spiaggia dei Sassolini6.6 km away25.9°C
- Spiaggia Lido Tirreno6.2 km away25.9°C
- Spiaggia Scauri6.0 km away25.9°C
6 more on CoastyaOpen Coastya ↗
Mountains at the source (21)
Within 15 km of the source, by Peakyas
- Monte Cassino9.9 km away520m
- Colle Aquilone13 km away1,268m
- Monte Maio14 km away1,259m
- Monte Fammera14 km away1,163m
- Monte Camino9.9 km away · prominence 648 m960m
- Monte Calvo8.5 km away556m
- Monte Trocchio4.5 km away
- Monte Siola13 km away
13 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
Garigliano in pictures




Tributaries
Where it flows, and what flows into it
Tributaries (3)
Also: Liri, Sacco, Gari
Nearby
Rivers nearby
Where these numbers come from
| Name, length, places | Wikidata (Q287568) · 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.