Gage Roads
Coordinates: 32°2′43″S 115°40′53″E / 32.04528°S 115.68139°E
Gage Roads is an area in the outer harbour area of Fremantle Harbour in the Indian Ocean offshore from Fremantle, Western Australia.
It incorporates a deep water sea channel as part of its function.
Gage Roads serve as a shipping lane and anchorage for sea traffic heading towards the seaport of Fremantle. Gage Roads was the location of the 1987 America's Cup,
Rottnest Island lies to the west of Gage Roads, Owen Anchorage and Cockburn Sound lie to the south.
The area is the most northern of one of four coastal basins formed from the flooding of a depression between aeolianite ridges running north-south, and the subsequent deposition of east-west Holocene banks. The seabed of Gage Roads is covered by seagrass.
Gage Roads was named after Rear-Admiral Sir William Hall Gage who was Commander-in-Chief of the Royal Navy's East Indies Station when James Stirling was surveying the Swan River in 1826.
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