The 57-year-old actor is also financing a food program to provide snacks to the firefighters as they relocate to other fires.
"Like all of my fellow Idaho residents, I want to extend my most sincere and grateful thanks to the firefighters and first-responders which include the helicopter and airplane pilots who have been flying for day in and day out, who risked life and limb to battle the horrific Beavercreek Fire in Idaho," the RED 2 star said.
"You are the men and women who put your lives at risk to protect ours on a daily basis, but it is at moments like these that your heroism comes to the forefront of our nation's consciousness. On behalf of me and my family, please know that there will never be enough words to express our deepest appreciation for your ever-present dedication and bravery," he added.
In return for his generous contribution to the base camp, the firefighters made Willis a unique fountain comprised of pipes and nozzles (featured in the above photo).