Whitlocks Mill Light, Lighthouse near St. Croix River, Calais, Maine
Whitlocks Mill Light is a 7.6 meter (25 foot) brick tower with a white exterior standing on the south bank of the St. Croix River near Calais. The structure features an automated green navigation light and continues to operate as an active aid to shipping traffic.
The site began in 1892 as a simple red lantern before becoming a permanent brick structure with keeper's quarters built between 1907 and 1909. This project represented the final lighthouse construction in Maine's history.
This lighthouse represents Maine's maritime heritage in its easternmost port city and marks the final lighthouse project built in the state. Visitors can observe its role as a working aid to navigation from nearby vantage points along the river.
The lighthouse can be viewed from the St. Croix River View Rest Area located on Route 1, though the property itself remains private and closed to public access. The rest area provides a convenient spot to observe the structure without needing to enter private grounds.
This lighthouse sits at the northernmost point of New England's lighthouse network and stands at the boundary between Maine and international waters facing Canada. Its remote location makes it a lesser-known destination for lighthouse enthusiasts and maritime history fans.
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