Catedral de Mármol, Natural marble formation on General Carrera Lake, Chile.
Catedral de Mármol is a natural marble formation on General Carrera Lake consisting of caves and tunnels carved by calcium carbonate deposits. Intricate patterns run along the shoreline, displaying the distinctive structure of these geological formations.
The formation developed over thousands of years through constant wave action from General Carrera Lake, gradually shaping the rock. This extended period of natural erosion carved out the caves and tunnels visible today.
Local fishermen from Puerto Río Tranquilo guide visitors through the marble formations in small boats, sharing their knowledge of the caves. This direct connection shapes how travelers experience the place.
Visits are best between September and March when water levels allow good access to the caves. Tours depart from Puerto Río Tranquilo and involve traveling by small boat.
The cave walls display swirling patterns in shades of gray, blue, and white that reflect in the glacial water below. These color variations result from different mineral compositions within the marble structure.
Location: Río Ibáñez
GPS coordinates: -46.64570,-72.60886
Latest update: December 23, 2025 19:17
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16.5 kmSendero Los Fosiles
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18.8 kmCavernas de Mármol
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2.1 kmPlaya Mallín Grande
12.3 kmPlaya Larga
18.2 kmMarble Caves
211 mBlue Marble Caves
703 mCatedral de Marmol
2.6 kmPuerto Marmol
3.2 kmCementerio Berrocal
8 kmScenic viewpoint
12.4 kmScenic viewpoint
13.6 kmMirador del lago
6.7 kmMirador de la Roca Negra
6.1 km
Marble Viewpoint
2.9 kmWaterfall
8.9 kmWaterfall
6.1 kmWaterfall
6.1 kmWaterfall
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