KOEN
Yeokgyeong (역경등대) in the middle, with the lights within 20 km, in their listed colours.
Yeokgyeong (역경등대) — light characteristic, height, range
One white flash every 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 20m 10M
- Height
- 20 m
- Nominal range
- 10 nmi = 19 km
- Type
- Landfall / major light
- Position
- 36.0362°N, 126.5138°E · West Sea coast

Lights nearby
- Gunsan Jukdo (군산 죽도 북방등표)Continuous quick white flashes · 1.5 km
- Gaeyado (개야도 남서방등표)6 quick white flashes + one long every 15 seconds · 1.9 km
- Cheonggangyeo (청강여등표)9 quick white flashes every 15 seconds · 3.1 km
- Gaeyado Hang (개야도항 남방파제 등대)One green flash every 6 seconds · 4.0 km
- Jangseo (장서등표)2 white flashes every 5 seconds · 4.1 km
- Gunsan Hang (군산항 북방파제 북단 등대)One yellow flash every 5 seconds · 4.4 km
- Gaeyado (개야도 북동방등표)Continuous quick white flashes · 4.7 km
- Myeongam (명암등표)9 quick white flashes every 15 seconds · 5.3 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: KHOA light list (국립해양조사원 등대표) (opens in a new tab) · Checked