Go straight to the roof- order a huckleberry Vodka and soda w/ a splash of lemonade. Enjoy the warm air and view.
Drive there or even better; Park your boat at their dock and walk up for a bathroom lake break. Grab some boat supplies, and why not give a spin on the pokey machine.
https://www.yelp.com/biz/bigfork-pontoon-rentals-bigfork?osq=Boat+Rental
THIS IS LOCATED IN LAKESIDE, WHICH IS ACROSS THE LAKE FROM BIG FORK. ITS NOT AS IDEAL, UNLESS YOU CAN GET THEM TO DROP THE BOAT OFF / PICK UP IN BIGFORK- WIN! https://www.yelp.com/biz/flathead-boat-rental-lakeside?osq=Boat+Rental
Favorite Restaurant in the Flathead Valley. Elk meatloaf sliders a must try.