Fort Trail Professional Review and Guide
"Unique views of the mouth of the Piscataqua River, Whaleback Light, the U.S. Coast Guard Lighthouse, and the Isles of Shoals. This small, important historical site provided coastal defense during the Revolutionary War, the War of 1812, the Civil War, the Spanish-American War, and World War I.
Situated at the mouth of the Piscataqua River, the fort offers walkers an ideal view of the lay of the land and water at this gateway between Maine and New Hampshire. Special Features: former military blockhouse, strategic views of Piscataqua River, and Civil War–era underground “caponier” shooting tunnel."