Île Sainte-Thérèse Upper Range Rear Lighthouse
Location & Light Range
About Île Sainte-Thérèse Upper Range Rear Lighthouse
First lit in 1879, this Canadian range rear light is situated off the east bank of Île Sainte-Thérèse near Varennes. The 22-meter tall square skeletal mast stands on a concrete pier, reaching a focal height of 27 meters. Its tower is painted red with a black vertical stripe. The structure guides vessels with a continuous green light, visible for 14.7 nautical miles. The pentagonal concrete pier features a pointed end, designed to break up ice floes common in the region.
Why it matters: This light provides a critical alignment point for vessels navigating the channels near Île Sainte-Thérèse, aiding safe passage through an area subject to ice and currents.
Light & Optic
- Flash Type
- Fixed
- Light Color
- Green
- Interval
- 5s
- Raw Code
- F G
- Focal Height
- 27m
- Geographic Range
- 14.7NM
Construction & History
- First Lit
- 1879
References & Identifiers
- Nearest Port
- Montreal(9.1 km)
- Admiralty No.
- H2490.1
- NGA No.
- 5516
Tower & Structure
- Tower Height
- 22m
- Tower Shape
- square
- Tower Color
- red with a black vertical stripe
- Material
- concrete
Structure: square skeletal mast mounted on a robust pentagonal concrete pier
Location
- City
- Varennes
- Country
- 🇨🇦Canada
- Region
- Quebec
- Sea Region
- just off the east bank of the Île Sainte-Thérèse in Varennes
- Latitude
- 45.6774°
- Longitude
- -73.4600°
Nearby Vessels
اعثر على منارة Île Sainte-Thérèse Upper Range Rear على الخريطة البحرية المباشرة
خطّط رحلاتك قرب Canada، وشاهد السفن المجاورة في الوقت الفعلي، واستكشف أكثر من 14,900 معلَم ملاحي في التطبيق.