Forest Avenue is a major street in Portland, Maine, United States. It runs for around 4.81 miles (7.74 km), from Bridgton Road in the northwest to Congress Street, in downtown Portland, in the southeast. It is the main artery for traffic entering and leaving Portland to and from the west via city streets. Forest Avenue passes to the south of Back Cove, while Washington Avenue passes to its north. The street ends in Portland's Arts District.