Fuente Azul
Cave diving in Northern Spain · about 38 km from Burgos
- Max depth
- 135 m
- Trimix from
- 45 m
- Type
- Not known yet
- Certification (estimate)
- Full cave
- Scooter
- No scooter
Deep spring in the Arlanza area, SE of Burgos. Water 13 °C (1999). Martín Burgui set Spanish sump depth records here: -120 m (2002) and -135 m (2006); John Volanthen explored the rising passages in 2008.
More about Fuente Azul
Signed-in divers also see:
- 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
- Warnings with sources (1)
- Scooter advice
- Driving times from your stay and a plan with the AI instructor
News
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- Spain Cave Conditions ↗
Cave divers share current conditions in Spanish caves here.
- Foro de Buceo Deportivo ↗
Spanish diving forum, with threads on the Pozo Azul among others.
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.
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.