There’s only one way to join the Four Thousand Footer Club. You don’t have to pay an entrance fee, live in a certain place, or even apply for membership. There’s only one way to join, and that’s hauling your way to the top every one of the 48 mountains over 4000 feet in the White Mountains of the state of New Hampshire. For some, the task takes years, with rough and sometimes dangerous hikes on exposed mountain tops that total over 347 miles in length (depending on the route)