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Northern Spain · about 11 km from Covanera

Cueva del Agua (Orbaneja del Castillo)

  • Max depth12 m
  • CertificationFull cave
  • SpecialSidemount

Diving and fills

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Fills nearby

  • Fill stationCentro Buceo Pedreña~88 min drive (estimate)Air, nitrox and mixed gas; the team includes a trimix gas blenderRoute ↗
  • Fill stationBuceo Mundo Submarino~92 min drive (estimate)Air, nitrox, trimix and helium in any mix, up to 300 bar (O₂ and He analysers)Route ↗
All fill stations and places to stay ↓

The dive

An active spring that supplies the village and feeds Orbaneja's well-known waterfall. The sumps have been known since 1964 and were explored by STD in 1983.

Profile and sections

An active spring that supplies the village and feeds Orbaneja's well-known waterfall.

The sumps have been known since 1964 and were explored by STD in 1983. In 2014 Gorfolí, CDG, GESEM and CEFME linked the cave to the Barbancho-Socueto system.

Practical: the cave is occasionally open to paid (dry) visits run with G.E. Edelweiss. Diving only by arrangement with the municipality and the clubs exploring here.

Depth and profile
Right-hand sump 130 m / -4 + 620 m / -12 · left-hand sump 53 m / -2 · system (joined to Barbancho-Socueto in 2014) >15 km
Configuration
Sidemount or small cylinders; shallow sumps in an active cave
DPV: Not DPV-suitable (estimate)
Short, shallow sumps inside a cave with dry sections
Who can dive where
  • CaveAt least Full cave
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 12 m (trimix or deco may be needed) · doesn't decide who may dive
  • Whole caveExperienced divers only · doesn't decide who may dive
Dry sections / haulingExperienced diversDepends on water level or swellPermission needed

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

Entrance in the middle of the village; the cave is gated by the municipality. Diving only by arrangement; the sumps lie further inside the cave.

Plan your route ↗

Around Cueva del Agua (Orbaneja del Castillo)

Fills2 fill stations · nearest 68 km
  • Centro Buceo Pedreña

    ~88 min drive (estimate)

    Barrio La Barquería 151E, 39130 Pedreña

    Air, nitrox and mixed gas; the team includes a trimix gas blender

    Not stated — ask

  • Buceo Mundo Submarino

    ~92 min drive (estimate)

    C/ Dr. Federico de la Lastra 3, bajo, 39770 Laredo (Cantabria)

    Air, nitrox, trimix and helium in any mix, up to 300 bar (O₂ and He analysers)

    Not listed — ask

    SSI centre with recreational and technical courses; rents 10/12/15/18 l cylinders and 2×10 and 2×12 l twinsets. Fills for visiting divers: ask. Closest fill point for Matienzo (~30 min, estimate).

Where to sleepAround Covanera on Booking.com ↗

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Caves nearby5 within 60 km

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Sources, sharing and disclaimer

Sources

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (G.E. Edelweiss, G.E. Niphargus, Espeleobuceo en Burgos blog, Matienzo Caves Project, UTD, Pegasus Caving Club, Soria Noticias, Turismo Burgos, BOE Ley 15/2008, Montaña Regulada, the SEMH hyperbaric-centre list, dive-centre websites, Wikipedia; Sept 2026). Pins from Wikipedia, club catalogues (UTM converted to WGS84) and OSM; ~ = estimate (drive times too). Rules change — check locally. Ojo Guareña and A Buraca das Choias: Cuevas Turísticas, the Espeleobuceo en Burgos blog (S.I.E. Burgos), BurgosNoticias, G.E. Edelweiss, El Progreso, GCiencia, Malamalama, Aventuras en Galicia and the Colegio de Enfermería de A Coruña (Ferrol chamber).