KOEN
Gasan (가산등대) in the middle, with the lights within 20 km, in their listed colours.
Gasan (가산등대) — light characteristic, height, range
One white flash every 5 seconds
Count 5 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 5s 12m 7M
- Height
- 12 m
- Nominal range
- 7 nmi = 13 km
- Visible sector
- W 178°∼022°(204°)
- Type
- Landfall / major light
- Position
- 34.7664°N, 126.0018°E · West Sea coast

Lights nearby
- Gasan Hang (가산항 비금주민 등부표)4 yellow flashes every 8 seconds · 606 m
- Sangsuchido (상수치도등대)2 white flashes every 6 seconds · 1.4 km
- Biguem (비금등부표)One green flash every 4 seconds · 2.5 km
- Jeongdo (정도등대)One white flash every 4 seconds · 3.3 km
- Nodaedo No bB (노대도 대한 오션 B호 등부표)4 yellow flashes every 8 seconds · 3.7 km
- Sangsachido (상사치도등표)One red flash every 5 seconds · 3.8 km
- Samdo (삼도등대)One white flash every 4 seconds · 4.5 km
- Biado (비아도 남방등표)2 white flashes every 10 seconds · 4.8 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