One could argue that there is no bad time to visit Acadia National Park—and one would likely receive little resistance from those who have experienced the magical park. However, like a proud peacock showing off its striking plumage, autumn’s arrival to Maine’s coastal gem ushers in a symphony of fleeting shades of red, yellow, gold, and even purple as maple, beech, birch, oak, white ash and other deciduous trees don their brilliant fall leaves beginning in early October.