KOEN
Geomundo (거문도등대) in the middle, with the lights within 20 km, in their listed colours.
Geomundo (거문도등대) — light characteristic, height, range
One white flash every 15 seconds
Count 15 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 15s 92m 24M
- Height
- 92 m
- Nominal range
- 24 nmi = 44 km
- Visible sector
- W 197°∼109°(272°)
- Type
- Landfall / major light
- Position
- 34.0071°N, 127.3221°E · South Sea coast

Lights nearby
- Geomundo Hang (거문도항 제 3동방파제 등대)2 red flashes every 6 seconds · 1.9 km
- Samho Bridge (삼호교 교량등)Steady green light · 2.2 km
- Samho Bridge (삼호교 교량등)Steady white light · 2.2 km
- Samho Bridge (삼호교 교량등)Steady red light · 2.2 km
- Samho Bridge (삼호교 교량등)Steady green light · 2.2 km
- Samho Bridge (삼호교 교량등)Steady white light · 2.2 km
- Samho Bridge (삼호교 교량등)Steady red light · 2.2 km
- Geomundo (거문도 B호 등부표)4 yellow flashes every 8 seconds · 2.7 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