Cueva del Molino (Bustablado)
Cave diving in Northern Spain · about 6 km from Matienzo
- Max depth
- 93 m
- Trimix from
- 45 m
- Type
- Sidemount
- Certification (estimate)
- Full cave
- Scooter
- No scooter
Part of the Matienzo Caves Project area; water comes from the Porracolina side of the Bustablado valley. The explorers call S1 an inviting dive from a shingle pool; S3 is clear with many fossils.
More about Cueva del Molino (Bustablado)
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 (2)
- 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.