Site landscaped. Was first quarry in area to have steam engine.
                     
                
                
                            
                    Publications (2)
                
                
                    
                                                                - Edited by D. J. Linton (2015); Welsh Mines & Mining   - Mining Technology - Technical Innovation in the Extractive Industries; 181 pages
 
                                                                    - Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
 
                                            
                
                
                            
                
                
                        
            
                
                
                
            
                            
                
                
                    
                    
                    
                        
                                                            
Pwll Fanog - 183m 
                                                            
Coed Madog - 219m 
                                                            
Tal y Sarn - 302m 
                                                            
Cornwall - 341m 
                                                            
Allt Llechi - 582m 
                                                            
Blaen y Cae - 663m 
                                                            
Gallt y Fedw - 689m 
                                                            
Dorothea - 690m 
                                                            
Ty Mawr West - 764m 
                                                            
Twll John Fowc - 805m 
                                                            
Nantlle Vale - 836m 
                                                            
Ty'n y Weirglodd - 844m 
                                                            
Plas Du - 865m 
                                                            
Ty Mawr Green - 888m 
                                                            
Tanrallt - 896m 
                                                            
Gwernor - 939m 
                                                            
Cilgwyn - 965m 
                                                            
Singrig - 989m 
                                                            
Gwernor - 1,078m 
                                                            
Twll Balast - 1,105m 
                                                            
Twll Coed - 1,236m 
                                                            
Cloddfa Lon Twll Mawr - 1,257m 
                                                            
Pen y Bryn - 1,322m 
                                                            
Twll Llwyd - 1,374m 
                                                            
Taldrwst - 1,381m 
                                                            
Wern Ifan - 1,437m 
                                                            
Fronlog - 1,496m 
                                                            
Nant y Fron - 1,515m 
                                                            
Ty'n y Llwyn - 1,610m 
                                                            
Pen yr Orsedd - 1,721m 
                                                            
Tyddyn Agnes - 1,728m 
                                                            
Bryn Castell - 1,811m