1971-72 Season

•  Powder Mountain opened February 19 with Sundown Lift.
•  Ski School began.

1972-73 Season

• Main Lodge opened.
• Sundown Lodge opened.
• Timberline Lift opened.

1975-76 Season

• Hidden Lake Lift added.

1981-82 Season

• Shuttle service for employees and for Powder Country started. Customers began requesting a ride and Powder Mountain now operates three buses and one van.

1984-85 Season

• Powder Mountain was the first Utah resort to allow snowboarding.

1986-87 Season

• Hidden Lake Lodge opened.

1989-90 Season

• Columbine Inn opened with two condominiums and five hotel rooms.

1990-91 Season

• Powder Mountain granted permission to Diamond Peaks Heliskiing to land on James Peak and at the Hidden Lake parking lot.

1994-95 Season

• Sunrise Lift opened.

1999-2000 Season

• Paradise Lift, a quad, opened up an additional 1300 acres of lift-accessed terrain.
• Cat skiing moved to Lightning Ridge accessing an additional 700 acres.
• Powder Mountain became the resort with the most skiable terrain in America.

2001-02 Season

• Rails added at the Sundown Lift area.
• Terrain Park added off Hidden Lake run.

2006-07

• High-speed quad replaces the double chair lift at Hidden Lake.
• The snowmobile tow at Lightning Ridge was replaced with a snowcat.
• Powder Mountain was sold to Western American Holdings.

2007-08

• Powder Mountain Resort Management, LLC became the management company for the resort.
• A snowkiting area was designated and Powder Mountain become one of the first, if not the first, resort in the US to offer a snowkite only pass.  
• Began the Snowcat Powder Expedition in January 2008

2008-09

• Initiated the Summer 4 X 4 Off Road Expedition in August 2008

2013

• Summit Series co-founders and two venture capitalists purchased the mountain and are focused on preserving the history and character 
  

2015

• Sundown Lift was replaced. 

2016

• Summit Powder Mountain breaks ground with residential homes.
• 2 new lifts added - Mary's and Village Lifts accessing over 1000 acres of new terrain. 
• Lefty's Canyon now accessible by Ski N' Skin.