Cute Town of McKay Idaho is Settled at the Base of Idaho’s Tallest Peak, BorahCute Town of McKay Idaho is Settled at the Base of Idaho’s Tallest Peak, BorahMackay, Idaho is often called the 'top of Idaho' since it is at the base of Mt. Borah who's peak reaches 12,662 feet, the highest point in the gem state. Nikki WestNikki West