Fort O'Brien (Fort Machias) was built in 1775 and destroyed by the British in the same year. This state historic site is one of few Maine forts active during three wars - the American Revolution, War
The Machias River, one of Maine's wildest and most cherished waterways, flows for 76 miles from Fifth Machias Lake to tidewater in downtown Machias. The State oversees stewardship and recreational use