Deer Valley Resort in Park City, Utah will more than double its skiable terrain across the Wasatch Mountains as part of a huge expansion over the next three ski seasons.

Four of the ski industry’s leading players – Alterra Mountain Company, Boyne Resorts, POWDR and Vail Resorts – have agreed to operate their respective resorts with sustainability at the forefront.

Park City, Utah lays claim to a world of snow, including Park City Mountain Resort – the largest ski resort in the US – and Deer Valley Resort, voted the US’ Best Ski Resort every year between 2013 and 2017 at the World Ski Awards.