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Nascente do Rio Almonda, Almonda, Zibreira, Casais Martanes, Pedogão, Torres Novas 03

Portugal Portugal Cave

Gruta da Nascente do Almonda

A cave in Portugal.

Underground river

See the descentHow to visit

GualdimG · CC BY-SA 4.0

The descent

The entrance, at 101 m.

The real relief above Gruta da Nascente do Almonda, measured on the Copernicus model every 30 m, and the cave going down at the same vertical scale.

depth not publishedEntrance614 m1.0 kmvertical × 4.3depth not publishedEntrance614 m1.0 kmvertical × 9.2

The depth is the one published by those who explored it; the shape of the galleries is a sketch, not a survey. No depth has been published for this cave yet.

101m

Entrance altitude

from the 30 m relief model

138m

Rock above

the highest point within 1.5 km

Cultural heritage monument in Torres Novas, Portugal

Gruta da Nascente do Almonda is a cave in Portugal. The entrance is at 101 m. It has an underground river.

Getting there.

  • Wild cave: only with caving equipmentNo paths or lights inside. Go only with a caving club or a qualified guide.
  • Zibreiranearest town · 2.5 km in a straight line
  • Lisbon Humberto Delgado Airport (LIS)nearest airport with scheduled flights · 92 km in a straight lineCar hire at LIS airport (Lisbon)Discover Cars · sponsored link

Plan the visit

Guided tours, a bed nearby, 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.

From above.

The ground above the cave, with the relief shaded, the line of the section and what people have mapped around the entrance.

The ground above Gruta da Nascente do Almonda (Sentinel-2) N 1.5 km

Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 6.0 × 6.0 km, north up. The line is the section above. Points © OpenStreetMap contributors.

Around the entrance.

  • 3other cave entrances within 3 kmGruta da Nascente do Almonda, Gruta da Aroeira
  • 1car parks within 2 km
  • 3information boards and visitor centres within 3 km
  • 4bus stops within 2 km
  • 4campsites within 8 kmMarsipel, Parque de Campismo da Praia Fluvial de Olhos d'Água and 2 more
  • 9hotels and guesthouses within 8 kmEurosol Alcanena, Hotel dos Cavaleiros, Hotel Torres Novas and 6 more
  • 15restaurants and cafés within 3 km
  • springs within 2 km
  • sinkholes within 3 km
  • caving clubs and spots within 15 km
  • viewpoints within 3 km
  • marked hiking routes within 3 km
  • climbing crags within 3 km
  • named waterfalls within 4 km

Counted in OpenStreetMap, the map anyone can edit, around the entrance. A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).

Towns nearby

  • Zibreira2.5 km in a straight line
  • Minde6.4 km in a straight line
  • Alcanena6.9 km in a straight line
  • Torres Novas7.0 km in a straight line
  • Monsanto9.6 km in a straight line
  • Mira9.6 km in a straight line
  • Meia Via10 km in a straight line
  • Riachos11 km in a straight line

In our other atlases

What else is around Gruta da Nascente do Almonda.

The river at the entrance, the waterfalls, the lakes, the mountains and volcanoes above, the canyons, beaches and islands nearby — from our other atlases.

Peakyas4 mountains within 10 km
Cabeço Barreiro · 4.1 kmCabeço Sobreiro · 8.2 kmCabeço da Mata · 8.6 kmCabeço João Viegas · 10 km

Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, NOAA, OpenStreetMap). Links open when each site is online.

Photographs

Inside and around.

Nascente do Rio Almonda, Almonda, Zibreira, Casais Martanes, Pedogão, Torres Novas 05
GualdimG · CC BY-SA 4.0
Fábrica II Renova
Francisco pereira gomes · CC BY-SA 4.0
2I2A3408
Francisco pereira gomes · CC BY-SA 4.0

Caves nearby.

Gruta da Nascente do Almonda

Portugal

  • —Depth
  • —Galleries
  • 101 mEntrance altitude
  • —Inside, all year

Cave of Aroeira

Portugal · 0 km

  • —Depth
  • —Galleries
  • 146 mEntrance altitude
  • 15 °CInside, all year

See the guide

Grutas de Mira de Aire

Portugal · 9 km

  • —Depth
  • —Galleries
  • 300 mEntrance altitude
  • 14 °CInside, all year

See the guide

Grutas da Moeda

Portugal · 15 km

  • —Depth
  • —Galleries
  • 374 mEntrance altitude
  • 14 °CInside, all year

See the guide

Where these figures come from

Name, type, published depth and length, visitorsWikidata (Q10292060) · CC0
The relief above, the entrance altitude, the section and the 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
ClimateNASA POWER, 1991–2020
Entrances, springs, sinkholes, opening hours and what is around© OpenStreetMap contributors · ODbL
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Rivers, waterfalls, lakes, mountains, canyons, beaches and islands nearbyCoastya, Lakeyas, Peakyas, Cascadyas, Islandyas, Riveryas

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?

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.Visit 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.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit
cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.You are here
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.Coming soonVisit
viewpointsViewyasEvery viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit
birdwatchingBirdyasEvery bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit
forestsForestyaEvery forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit