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                                        | La caverne à Martin  QC, Canada |   |  | 
            
         
        
            Note: GPS point is merely a rough estimate of this cave’s location.
This cave is located at a depth of 21 m (69’), its entrance is 7 by 8 m (23’ by 26’) in the shape of a church door. You can penetrate for 8 m (26’), and observe the stone columns left by erosion.