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Heard Island and McDonald Islands (external territory) · Australia
Big Ben (Mawson Peak)
Mawson Peak is the summit of the Big Ben volcanic massif, an active stratovolcano covering most of uninhabited, glacier-clad Heard Island in the far southern Indian Ocean. It is one of the most remote and rarely climbed peaks on Earth — roughly 4,100 km southwest of Perth and 1,700 km north of Antarctica, reachable only by chartered expedition vessel.
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Provenance
How we verified this
Elevation, prominence, coordinates and first-ascent facts are checked against published references and official sources. Where a fact isn't clearly documented, we show it as unknown rather than estimate.
Photography via Wikimedia Commons under its respective licences — the same sourcing standard as the resort photos elsewhere on the site.