Entry to underground naval base
| tunnel entrance / exit
Korea (North) /
Hwanghaenamdo /
Ongjin /
World
/ Korea (North)
/ Hwanghaenamdo
/ Ongjin
World / North Korea / Hwanghae-namdo
tunnel entrance / exit
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Entry to underground naval base
Nearby cities:
Coordinates: 37°46'18"N 125°20'16"E
- Portal of Suzhou East Tunnel (under construction) 826 km
- Tunnel Island 2046 km
- Tunnel Island 2049 km
- Zojila Tunnel East Portal 4445 km
- Chenani-Nashri Road Tunnel: North Portal 4514 km
- North Portal T-48 Railway Tunnel 4523 km
- Tunnel 5082 km
- Arphal Tunnel Outlet 5443 km
- Arphal Tunnel Inlet 5453 km
- Tunnel Triple-Portal 8270 km
- Ryongho-do 3 km
- Sagot Naval Base 4.4 km
- Pa-do 6.1 km
- Sunwi-do 7 km
- Sin-do 8.6 km
- Ohwa-do 10 km
- Kangryong County 11 km
- Changrin-do 16 km
- Yonbong-ni Hovercraft Base 18 km
- Ongjin County 20 km
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