FREE SHIPPING TO CONTIGUOUS USA Select magnifying glass on thumbnail to see image full screen. The Fore River, separating Portland and South Portland, is one of the most commercially active rivers in Maine. The headland at Bug Light Park in South Portland offers great sunset vistas of the river and Portland. On this evening, the fog created a fantastic sense of mood, allowing the setting sun to just peep through. Ready-to-hang, gallery-style mounted prints are available. Subscribe to get 10% off your first order.