Go to 'Buy Tickets' below then select the type of ski pass you need (Full day, Afternoon etc). Enter the date you next intend to come to the resort, then select the required quantitiy (for example - 1 Adult Day Pass for adult full day access) and then select 'Add to Cart'.
Please note the passes are only valid on the date they are selected for when purchased and are not refundable. Please make sure you intend to visit on the selected day. If you're not sure when you can make it up, you can always buy the passes online when you arrive.
At the checkout you will have two options.