The holiday season concludes the year, as we count the minutes until 12/31 23:59 becomes 01/01 00:00.
Go to the eleven spots where your answer to part three seems to lead and follow the marked path to the finish; tell me when you get there. You'll have earned whatever you find.
ETA: New text and emphasis placed above. There is no website for the eleven letter answer here so please email anything you find.