Cape Spencer Light

The Cape Spencer Light is situated on an islet in the southernmost end of Glacier Bay National Park and Preserve, Alaska, United States.

Location and Accessibility

• The lighthouse is accessible by boat or kayak, but no public transportation services are available to the site.

The construction of the Cape Spencer Light began in 1925 and was completed shortly thereafter.

History

1. The light has been an active aid to navigation for nearly a century, providing essential guidance for mariners navigating the treacherous waters of Cross Sound and Icy Strait.
2. The construction of the Cape Spencer Light began in 1925 and was completed shortly thereafter.

Architecture and Construction Materials

The tower height of the lighthouse is 30 meters (98 feet), while its focal height stands at 60 meters (197 feet).

• The light emits a white beam with a range of 14 nautical miles.
• The structure is made from cast iron, with a distinctive cylindrical design that has become iconic in Alaskan maritime architecture.

Light Characteristics

The Cape Spencer Light features a Fl (first order) lens, which produces a characteristic flashing pattern every 10 seconds.

Current Status

The light remains an active aid to navigation, operated by the U.S. Coast Guard.

• The lighthouse is no longer automated but continues to be maintained as a vital part of Alaska's maritime infrastructure.

Heritage Status

Designated as a National Historic Landmark (NHL) in 1975, the Cape Spencer Light has been recognized for its architectural and historical significance.

• The lighthouse falls under the jurisdiction of the U.S. Coast Guard and is protected by federal law.

Notable Historical Events

The Cape Spencer Light played a crucial role during World War II, serving as an important navigational aid for Allied forces operating in the region.

• The lighthouse also experienced significant damage during a severe storm in 1952, which prompted extensive repairs and upgrades to its structure.

References

For more information on this landmark lighthouse, please visit the official website of Glacier Bay National Park and Preserve or consult the National Register of Historic Places database.