Tickets can be picked up at the Season Pass & Ticket office in the Northstar Village or at the True North at The Ritz-Carlton. Tickets purchased 9 or more days in advance will be shipped to your door for guests in the United States; 14 days in advance for international guests. You can find the base area map here: https://www.northstarcalifornia.com/the-mountain/about-the-mountain/trail-map.aspx
If you purchased your pass or ticket in advance online, you have the option to use Mobile Pass and Lift Ticket through the My Epic app. This allows you to go straight to the lift using your phone as your pass or ticket. Please visit https://www.epicpass.com/app.aspx for more information about how to activate and use your Mobile Pass or ticket.