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River

Río Frío

428 km from source to mouth · Nicaragua and Costa Rica.

NicaraguaCosta RicaNicaragua and Costa RicaFlows into Lake Nicaragua2nd longest in Nicaragua

Follow the riverMonth by month

SourceMouth
The river and every tributary in its basin, drawn from RiverATLAS (CC BY 4.0).

In numbers

Length

428km

Average flow

380m³/s

Basin

29,843km²

Drop

683m

from 714 m to 31 m

Countries

2

The journey

From source to mouth

428 km of river and 9 stops on the way: 4 towns and cities on its banks, dams, bridges and the tributaries that feed it.

714 m31 m
Volcán Tenorioat 714 m0 km
Lake Managua1,061 km²166 km
Laguna de Tisma13 km²199 km
Laguna Ñocarime2.8 km²273 km
San Jorge7,158 people291 km
Lake Nicaraguaat 31 m428 km
0100200300428 km
  1. 0 kmVolcán Tenorioat 714 m
  2. 166 kmLake Managua1,061 km²
  3. 167 kmTipitapa50,000 people
  4. 199 kmLaguna de Tisma13 km²
  5. 210 kmLa Playuela1.3 km²
  6. 222 kmGranada89,409 people
  7. 273 kmLaguna Ñocarime2.8 km²
  8. 291 kmSan Jorge7,158 people
  9. 419 kmLake Nicaragua7,833 km²
  10. 419 kmSan Carlos13,451 people
  11. 428 kmLake Nicaraguaat 31 m

Water level along the river (RiverATLAS; the height is exaggerated). Towns: GeoNames and Wikidata; bridges, dams and tributaries: Wikidata.

River in Costa Rica and Nicaragua, ending in Lago di Nicaragua

At the mouth it carries 376 m³/s on average: an Olympic pool every 6.6 seconds. It drops from 714 m to 31 m, 1.6 m per kilometre on average. Its basin covers 29,843 km², about the size of AM. 2.3 million people live in it. Highest water: October; lowest: from January to April. No large dam holds it back: it is one of the world's free-flowing rivers.

Read more on Wikipedia

Where to start

  • GranadaLargest city on its banks · 89,409 people
  • Augusto C. Sandino (Managua) International Airport (MGA)Nearest airport with scheduled flights, 33 km from the cityCar hire at MGA airport (Managua)Discover Cars · Affiliate link
  • On the water11 ferry piers, marinas, boat rentals and boat ramps along the river (OpenStreetMap)
  • From December to FebruaryThe best months to visit

Río Frío, month by month

Highest water: October

Lowest water: from January to April. Best months to visit: from December to February.

190
26°21 mmJan
150
26°7 mmFeb
140
27°7 mmMar
140
28°16 mmApr
240
28°141 mmMay
450
27°232 mmJun
510
27°154 mmJul
530
27°172 mmAug
630
26°277 mmSep
760
26°269 mmOct
620
26°87 mmNov
380
26°32 mmDec
Water (estimated flow)Air (average) Rain (mm)Best months

From about 140 m³/s in the lowest month to 760 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

Río Frío: the basin in numbers

29,843 km² of land send their water to this river. This is what lives on it.

Free-flowingDams upstream can hold only 0.0% of a year's flow: the river still keeps its natural rhythm.
  • 2.3millionpeople live in the basin
  • 81/km²people per km²
  • 179maverage altitude of the basin
  • 1,690mmof rain a year (basin average)
  • 25.8°Caverage air temperature
  • 23%protected areas
  • 29.9%covered by lakes

What covers the basin

  • 27% Forest
  • 31% Cropland
  • 56% 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

Río Frío: what you find on the way

  • 4DamsPresa Centro América and 3 more
  • 1Boat ramps
  • 6Ferry piersMuelle de Granada, San Jorge, Empresa Nacional de Puertos and 3 more
  • 4MarinasCabaña Amarilla, Puerto Lacustre de San Jorge, Muelle de San Jorge and 1 more

From OpenStreetMap, within 2.1 km of the river. Not mapped is not the same as not there.

Cross-checked with our atlases

Río Frío 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.

  • 5lakes on its wayLakeyas
  • 9mountains at the sourcePeakyas

Lakes and reservoirs (5)

Lakes it flows through, by Lakeyas

  1. Lake Managuakm 166 · 80 m deep1,061km²
  2. Laguna de Tismakm 19913km²
  3. La Playuelakm 2101.3km²
  4. Laguna Ñocarimekm 2732.8km²
  5. Lake Nicaraguakm 419 · 60 m deep7,833km²

Lakeyas is coming soonOpen Lakeyas ↗

Mountains at the source (9)

Within 15 km of the source, by Peakyas

  1. Cerro Tomabú14 km away1,427m
  2. Cerro El Carao5.7 km away1,343m
  3. Cerro La Laguna8.2 km away1,339m
  4. Cerro Moropotente4.9 km away1,304m
  5. Mesas Moropotente13 km away1,299m
  6. Cerro Zaraguasca13 km away1,269m
  7. Cerro Abismo14 km away1,250m
  8. Cerro La Campana13 km away1,195m

1 more on PeakyasOpen Peakyas ↗

From space

The source and the mouth, seen from orbit

Río Frío: satellite view of the source
The source14 km across
Río Frío: satellite view of the mouth
The mouth24 km across

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

Río Frío in pictures

Frio river, Costa Rica-2
David Berkowitz · CC BY 2.0
Frio river, Costa Rica-1
David Berkowitz · CC BY 2.0

Tributaries

Where it flows, and what flows into it

Where these numbers come from

Name, length, placesWikidata (Q5506742) · CC0
Course, profile, basinRiverATLAS v1.0 (HydroATLAS, Linke et al. 2019) · CC BY 4.0 — followed along the river network from the point given by Wikidata
FlowWaterGAP (RiverATLAS), 1971–2000 · CC BY 4.0
Climate along the riverWorldClim (RiverATLAS), 1970–2000 · CC BY 4.0
Towns, bridges, damsWikidata · CC0; GeoNames · CC BY 4.0
Along the river© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Our other atlasesLakeyas, 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.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Coming soonVisit
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.You are here
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit