Whitehaven Coal Limited is engaged in exploration, project evaluation, project development and coal mining activities in New South Wales' Gunnedah Basin. The Company operates through two segments: Open Cut Operations and Underground Operations. It owns four open cut mines (Maules Creek, Werris Creek, Tarrawonga and Rocglen), one underground mine (Narrabri) and operates a coal handling and processing plant at Gunnedah. The Maules Creek Mine is located over 45 kilometers southeast of Narrabri and approximately 17 kilometers northeast of Boggabri in the Gunnedah Basin of New South Wales, Australia. The Werris Creek Mine is located over four kilometers south of Werris Creek on the Quirindi Road. The Tarrawonga Mine is located approximately 16 kilometers east of Boggabri. The Rocglen Mine is located over 28 kilometers north of Gunnedah on the Wean road. The Narrabri North Mine is located approximately 17 kilometers southeast of Narrabri and over 70 kilometers northwest of Gunnedah.