Marble Caves

The Lake General Carrera (Chilean side) or Lake Buenos Aires (Argentine side) is a lake located in Patagonia and shared by Argentina and Chile. Both names are internationally accepted.

Unusual geological formation is Marble Caves with Marble Chapel and Marble Cathedral located at the centre of the lake and representing a group of caverns, columns and tunnels formed in monoliths of marble. Marble Caves have been formed by wave action over the last 6,200 years.