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Reading Rock Lighthouse

Fl White 4s🇺🇸USOperational

Location & Light Range

About Reading Rock Lighthouse

Also known as: Redding

Reading (Redding) Rock is an active navigational aid in the United States, situated to mark the rock formation of the same name. Vessels rely on its consistent white flash, which occurs once every 4 seconds, to identify their position and avoid potential hazards. The aid is located near Crescent City, approximately 24 kilometers away. Its accessibility allows visitors interested in maritime navigation to appreciate its practical function. The structure aids in guiding ships through these waters.

Why it matters: This navigational aid marks the Reading (Redding) Rock formation, a feature requiring careful navigation by mariners.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s

Location

Country
🇺🇸United States
Region
California
Sea Region
A navigational aid marking Reading (Redding) Rock in the United States.
Latitude
41.3404°
Longitude
-124.1784°

References & Identifiers

Nearest Port
Crescent City(23.9 km)
Admiralty No.
G4410
USCG No.
6-0540
ARLHS No.
USA-043

Tower & Structure

Tower Color
white

Structure: Reading (Redding) Rock is an active navigational aid located in the United States. While the historical context of its construction and the specific maritime dangers it was designed to mitigate are not detailed, its ongoing operation confirms its role in guiding vessels. The aid is situated to mark the prominent Reading (Redding) Rock formation, a feature that requires careful navigation. Mariners rely on its consistent white flash to identify their position and avoid hazards in the surrounding waters. The site is accessible, allowing those interested in maritime heritage to visit and appreciate its functional significance. Its presence is a quiet, yet vital, part of the coastal navigation system, ensuring safe passage for ships traversing these areas.

Visiting

Open to public
Yes

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Reading Rock Lighthouse at night?+
Reading Rock displays the characteristic Fl White 4s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Reading Rock Lighthouse guide vessels into?+
Reading Rock Lighthouse assists vessels approaching 5 nearby ports. The closest is TRINIDAD BAY at 17.3 NM to the S. Other ports served include Crescent City (24.6 NM N), Eureka (32.6 NM S), Samoa (33.5 NM S), HUMBOLDT (36.3 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Reading Rock Lighthouse still active and maintained?+
Yes, Reading Rock 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.
What shipping routes pass near Reading Rock Lighthouse?+
Reading Rock Lighthouse is located within the US West Coast shipping lane — a major trans-Pacific trade route serving West Coast ports of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Reading Rock Lighthouse?+
You can track vessels near Reading Rock 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.