Explore details about location Ffordd-y-Derwen. Ffordd-y-Derwen is a location situated within the Rhondda Cynon Taf alongside other areas such as Castle Court, George Street, Luton Street. Additionally, some smaller parts of Ffordd-y-Derwen include specific areas like Glas-y-gors, Llys-y-Coed, Maes Hyfryd adding to the diversity of its landscape.