Explore details about location Cefn Onn Meadows. Cefn Onn Meadows is a location situated within the Llanishen alongside other areas such as Fairthorn Close, Clos y Carlwm, Thornhill Road. Additionally, some smaller parts of Cefn Onn Meadows include specific areas like Cherrywood Close, Oakridge, Capelgwilym Road adding to the diversity of its landscape.