Spire Island Reef Lighthouse
Location & Light Range
About Spire Island Reef Lighthouse
A white, square, pyramidal concrete tower, 9 meters in height, stands on Spire Island Reef. This structure, with a focal height of 9 meters, emits a green flashing light every 4 seconds, visible for 10 nautical miles. It is situated on the west side of the Revillagigedo Channel, near the channel's northern extent. The lighthouse is built directly on a reef, with its nearest port being Ward, approximately 5.9 kilometers away. This navigational aid is one of several concrete pyramid structures found along this waterway.
Why it matters: This lighthouse marks the west side of the Revillagigedo Channel, a key passage, guiding vessels away from hazards near the channel's northern end.
Light & Optic
- Flash Type
- Flashing
- Light Color
- Green
- Interval
- 4s
- Raw Code
- Fl G 4s
- Focal Height
- 9m
- Geographic Range
- 10NM
Location
- Country
- 🇺🇸United States
- Region
- Alaska
- Sea Region
- Revillagigedo Channel, marking the west side of the channel near its north end.
- Latitude
- 55.4460°
- Longitude
- -131.8815°
Nearby Vessels
Tower & Structure
- Tower Height
- 9m
- Tower Shape
- pyramidal
- Tower Color
- white
- Material
- concrete
Structure: A 9m square solid concrete pyramid, painted white.
References & Identifiers
- Nearest Port
- Ward(5.9 km)
- Admiralty No.
- G6028
- USCG No.
- 6-21965
- ARLHS No.
- ALK-013
اعثر على منارة Spire Island Reef على الخريطة البحرية المباشرة
خطّط رحلاتك قرب United States، وشاهد السفن المجاورة في الوقت الفعلي، واستكشف أكثر من 14,900 معلَم ملاحي في التطبيق.