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Complejo Kárstico de Ojo Guareña

Cave diving in Northern Spain

Max depth
37 m
Type
Sidemount
Certification (estimate)
Full cave
DPV
Not DPV-suitable
⛔ Closed to divers: Access to the cave system beyond the show cave (San Bernabé) and the guided trips in the Cueva Palomera is prohibited. Only research teams with a permit from the Junta de Castilla y León dive here.
RopeworkDry sections / haulingExperienced diversDepends on water level or swellPermission needed

With >110 km of passages on six levels one of Spain's largest cave systems; the Guareña and Trema rivers flow through the lowest level and return to the surface at resurgences (including El Torcón and La Torcona).

More about Complejo Kárstico de Ojo Guareña

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  • Whether this site fits everyone's certification, gas and gear
  • Access, parking and the route from the road
  • Exact map pin and navigation
  • Depth profile and sumps
  • Configuration advice
  • DPV suitability
  • Driving times from your stay and a plan with the AI instructor
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Current conditions

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

Plan a cave diving trip to Northern Spain

Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.

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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).