Tétreauville Range Rear Lighthouse

Structure: Tétreauville Range Rear (2) is an active navigational aid located in Canada. As a range rear light, it operates in conjunction with a corresponding front light, forming a critical alignment system for mariners. When a vessel's navigator observes the rear light directly above the front light, they know their ship is precisely within the safe channel. This method of guidance is particularly valuable in waterways like the St. Lawrence River, where precise navigation is essential to avoid hazards and maintain efficient shipping lanes. The light's focal plane is positioned at 30 meters, ensuring its visibility over a considerable distance and contributing to its effectiveness as a guide. While the specific history of its construction or any dramatic events are not detailed, its continued operation underscores its ongoing importance to maritime safety. Today, the site around Tétreauville Range Rear (2) is accessible to the public, offering a chance to observe this functional piece of navigational infrastructure, though the tower itself remains closed to visitors. Its presence quietly assures safe passage for countless vessels traversing Canadian waters.