Tongwynlais alleged motte
                Has been described as a Rejected Timber Castle (Motte)
                There are uncertain remains
                
	
		| Name | Tongwynlais alleged motte | 
	
		| Alternative Names | Eglwysilan | 
	
		| Historic Country | Glamorgan | 
	
		| Modern Authority | Cardiff | 
	
		| 1974 Authority | South Glamorgan | 
	
		| Community | Tongwynlais | 
	
                In 1980, an alleged motte was reported to the Royal Commission as under threat from development. The 'motte' was found to be a low rounded hillock, with a flat platform beside it constituting its 'bailey'. Both features were entirely natural. (Spurgeon)
                
                Not scheduled
                Not Listed
                
                
                
                
                
                
                
                
                County Historic Environment Record
                
                
	
		| OS Map Grid Reference | ST136819 | 
	
		| Latitude | 51.5297317504883 | 
	
		| Longitude | -3.24659991264343 | 
	
		| Eastings | 313600 | 
	
		| Northings | 181900 |