East Rutherford, N.J. — Triple Five Group has opened Big Snow, a 180,000-square-foot indoor snow slope within its American Dream entertainment and retail destination in East Rutherford, a western suburb of New York City. The 16-story vertical slope offers indoor skiing, snowboarding, sledding and other snow activities year-round. The facility will produce 4.4 tons of snow per hour, which will be kept at a constant temperature of 28 degrees with an average depth of 2 feet. Triple Five opened American Dream in late October with a Nickelodeon Universe theme park and an ice-skating rink. The Dreamworks Water Park opened at American dream in late November, and future openings include a Legoland Discover Center, a Sea Life Aquarium and more than 100 retailers and restaurants.