| Isumrud Strait | |
|---|---|
  Isumrud Strait Isumrud Strait in PNG | |
| Location |  Papua New Guinea, Madang Province |
| Coordinates | 4°49′S 145°53′E / 4.82°S 145.88°E |
| Islands | Karkar Island |
Isumrud Strait is the strait separating Karkar Island from mainland New Guinea in Madang Province, Papua New Guinea.[1] It's 500 km from Port Moresby.
- ^ Isumrud Strait at Geonames.org (cc-by); post updated 2011-06-05; database download sa 2015-06-22