This guided walk on the 1.9 mile Little Harbor Loop Trail takes will wind along the shores of Sagamore Creek and the Forest Society’s Creek Farm woodlands, with a narrow forest trail that neighbors the Wentworth-Coolidge Mansion. In this sheltered coastal inlet where the Piscataqua River meets the Atlantic Ocean you'll find freshwater wetlands, tidal pools, and at low tide, access to tiny Goose Island.