- Who
- Lambert Glacier
- Where
- Not Applicable (Antarctic (Australian Territory))
The world's longest glacier is the Lambert Glacier, discovered by an Australian aircraft crew in Australian Antarctic Territory in 1956/57. Draining a substantial portion of the East Antarctic ice sheet, it measures more than 400 km (250 miles) in length. The glacier has receded from its previous estimated length of 700 km (440 miles).
It covers an area of 1 million km² (386,100 square miles).