Onaka Seto North Lighthouse
Location & Light Range
About Onaka Seto North Lighthouse
This concrete lighthouse, built in 1969, stands 8.5 meters tall on a reef at the north end of the strait separating Io Shima from the Onaka Seto Peninsula. Its cylindrical, red tower flares at the top and is attached to an equipment shelter. The light emits a single green flash every 6 seconds, visible for 11.6 nautical miles. The structure's focal height is 14 meters above sea level. It is located 0.2 kilometers from the nearest port in Nagasaki.
Why it matters: This lighthouse is essential for safe navigation through the strait separating Io Shima from the Onaka Seto Peninsula, specifically warning mariners of the reef at its northern end. Its distinctive flared top adds a unique architectural detail to its functional design.
Light & Optic
- Flash Type
- Flashing
- Light Color
- Green
- Flash Count
- 2 flashes
- Interval
- 6s
- Raw Code
- Fl G 6s
- Focal Height
- 14m
- Geographic Range
- 11.6NM
Construction & History
- Year Built
- 1969
References & Identifiers
- Nearest Port
- Nagasaki(0.2 km)
Tower & Structure
- Tower Height
- 8.5m
- Tower Shape
- cylindrical
- Tower Color
- red
- Material
- concrete
Structure: round concrete tower, flared at the top, attached to a small equipment shelter
Location
- City
- Nagasaki
- Country
- 🇯🇵Japan
- Region
- Nagasaki Prefecture
- Sea Region
- On a reef at the north end of the strait separating Io Shima from the Onaka Seto Peninsula of the mainland.
- Latitude
- 32.7148°
- Longitude
- 129.8172°
Nearby Vessels
اعثر على منارة Onaka Seto North على الخريطة البحرية المباشرة
خطّط رحلاتك قرب Japan، وشاهد السفن المجاورة في الوقت الفعلي، واستكشف أكثر من 14,900 معلَم ملاحي في التطبيق.