Park Timing GRS Fantasy Park 10:30 am - 6 pm (10:30 am - 7 pm on Sunday & National Holidays) GRS Snow Park 11 am - 7 pm (11 am - 8 pm on Sunday & National Holidays) GRS Up Down Museum 11 am - 7 pm (11 am - 8 pm on Sunday & National Holidays) GRS Fantasy Park 10:30 am - 6 pm (10:30 am - 7 pm on Sunday & National Holidays) GRS Snow Park 11 am - 7 pm (11 am - 8 pm on Sunday & National Holidays) GRS Up Down Museum 11 am - 7 pm (11 am - 8 pm on Sunday & National Holidays) Time Required: 8 hours of UNLIMITED FUNGRS Fantasy Park: 4-6 hours to Full DayGRS Snow Park + Up Down Museum: 45 min – 1 hr