Explore details about location Bryn Derwen. Bryn Derwen is a location situated within the Radyr & Morganstown alongside other areas such as Clos Parc Radyr, Bryn Derwen, Maes y Fioled. Additionally, some smaller parts of Bryn Derwen include specific areas like Ffordd Treforgan, Maes yr Orchis, Meadowfield Way adding to the diversity of its landscape.