Find detailed information about Mitre 10 MEGA Greymouth, Greymouth 7805 Locations, Maps, Hours, Phone number, Email, holiday hours and Near me locations. Mitre 10 MEGA Greymouth Regular Business Hours What time does the Mitre 10 MEGA Store Open and close? Hours today Opening Hours Closing Hours Monday 7:30 am 5:00 pm Tuesday 7:30 am 5:00