Since hedge-fund manager Louis Bacon bought Taos Ski Valley in 2013, skiers and riders who favor the New Mexico resort have seen something new each season: infrastructure, chairlifts, overnight accommodations, even paved parking lots, and all-mountain cell service.

It looks to be a busy summer at resorts owned by Denver-based Alterra Mountain Co. as the firm begins to catch up on much-needed improvements both on and off the mountain.