Barker Passage is a

channel Channel, channels, channeling, etc., may refer to: Geography * Channel (geography), in physical geography, a landform consisting of the outline (banks) of the path of a narrow body of water. Australia * Channel Country, region of outback Austral ...

through reef about a kilometre south of

North Island The North Island, also officially named Te Ika-a-Māui, is one of the two main islands of New Zealand, separated from the larger but much less populous South Island by the Cook Strait. The island's area is , making it the world's 14th-largest ...

in the Houtman Abrolhos.Australia 1:100000 Topographic Survey, Map sheet 1641 (Edition 1): Wallabi Its gazetted location is ,'' Gazetteer of Australia'' (1996). Belconnen, ACT: Australian Surveying and Land Information Group. but it is actually located nearly 2½ kilometres west of there, at approximately .

References

North Island (Houtman Abrolhos) Straits of Australia {{WesternAustralia-geo-stub