In celebration of the National Park Service's Centennial, Lake Powell Resorts and Marinas is giving away a free 8-person houseboat vacation as the grand prize. This includes a five day stay on an Axiom houseboat with $750 in fuel credit, a five day power boat rental, a five day PWC rental, and more, all of which totals to a value of $21,300. The second prize winner gets a two-night stay at Lake Powell Resort or Defiance House Lodge with daily breakfast for two, and the third prize winner will be given a bout tour of their choice for two, departing from Lake Powell Resort.

The big question is, how do you enter? Simply fill out their entry form here. The hard part is waiting to find out if you’re one of the lucky winners to be drawn. The promotion opened on Monday and will run until February 21, and you can check out more details here.

Photo credited to Lake Powell Resorts and Marinas