Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Port-Saint-François Range Rear Lighthouse

F Green 11s🇨🇦Nicolet, CAOperational

Location & Light Range

About Port-Saint-François Range Rear Lighthouse

The Port-Saint-François Range Rear light stands as a square pyramidal skeletal tower, painted black, with an enclosed watch room and lantern. This structure, built in 1906, stands 13 meters tall, with its focal plane at 19 meters above the water. It emits a continuous green light, offering a geographic range of 12.9 nautical miles. The light guides vessels navigating near Port-Saint-François, particularly those proceeding upstream. This station was first established in the 1860s, with the current tower replacing earlier structures.

Why it matters: This range rear light is indispensable for safe navigation on the waterway near Port-Saint-François, particularly for vessels transiting upstream. Its precise alignment, indicated by a continuous green light, allows mariners to maintain a true course, preventing groundings or collisions in a potentially complex channel.

Light & Optic

Characteristic Signature
F Green 11s
Flash Type
Fixed
Light Color
Green
Interval
11s
Raw Code
F G
Focal Height
19m
Geographic Range
12.9NM

Construction & History

Year Built
1906

Significant events: Station established 1860s, Current tower built 1906

References & Identifiers

Nearest Port
Trois-Rivieres(4.7 km)
Admiralty No.
H2398.15
NGA No.
4736
ARLHS No.
CAN-1266

Tower & Structure

Tower Height
13m
Tower Shape
square
Tower Color
black

Structure: square pyramidal skeletal tower with lantern and enclosed watch room

Location

City
Nicolet
Country
🇨🇦Canada
Region
Quebec
Sea Region
A range rear light on a waterway near Port-Saint-François, guiding vessels, particularly those headed upstream.
Latitude
46.2752°
Longitude
-72.6034°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Port-Saint-François Range Rear Lighthouse on the live nautical map

Plan voyages near Canada, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Port-Saint-François Range Rear Lighthouse at night?+
Port-Saint-François Range Rear displays the characteristic F Green 11s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Port-Saint-François Range Rear Lighthouse guide vessels into?+
Port-Saint-François Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Trois-Rivieres (Three Rivers) at 5 NM to the NNE. Other ports served include Bécancour (7.9 NM ENE), Yamachiche (9.6 NM W), Saint-François-du-Lac (15.8 NM SW), Notre-Dame-du-Bon-Conseil (19.6 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Port-Saint-François Range Rear Lighthouse still active and maintained?+
Yes, Port-Saint-François Range Rear Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Port-Saint-François Range Rear Lighthouse?+
You can track vessels near Port-Saint-François Range Rear Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.