World geography › Indian Ocean islands › Heard Island and McDonald Islands

Heard Island and McDonald Islands: map and facts

Heard Island and McDonald Islands is in the Indian Ocean. It has no permanent population. It covers 393 km². Its highest point is Mawson Peak, at 2,745 m.

Facts

• Population: none permanent
• Area: 393 km² (area as drawn on this map)
• Highest point: Mawson Peak, 2,745 m (Natural Earth)

Mountains and landscapes

Its highest peaks:

• Mawson Peak: 2,745 m (its highest point)

Land

Landforms, worked out from the height of the land (USGS GMTED2010): mountains 97.4%, hills 1.6%.

Neighbours

Heard Island and McDonald Islands has no land borders on this map.

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Sources

India’s boundaries are drawn according to India’s official position, simplified for small-scale maps (data: Natural Earth, India view). Each figure shows its year and source; some are rounded. Data release 2026.2.

• Natural Earth (naturalearthdata.com), public domain. Boundaries follow India's official position (Natural Earth's India point of view). Terms
• GMTED2010 courtesy of the U.S. Geological Survey (Danielson and Gesch 2011, USGS Open-File Report 2011-1073). Terms
• Landforms worked out by Make Me Smarter from GMTED2010.

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