Coalstoun Lakes National Park Queensland Australia
            
        
     
    
        
        
            
            
                
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
                
                Mt Le Brun, an extinct volcano, contains two large craters which form shallow lakes. Formed more than 600,000 years ago, the mountain is one of the youngest volcanic formations in Australia. Coalstoun Lakes National Park Queensland Australia