Iles Crozet: a large archipelago formed from the Crozet Plateau is divided into two groups of islands
Iles Kerguelen: the interior of the large island of Ile Kerguelen is composed of rugged terrain of high mountains, hills, valleys, and plains with a number of peninsulas stretching off its coasts
Bassas da India (Iles Eparses): atoll, awash at high tide; shallow (15 m) lagoon
Europa Island, Glorioso Islands, Juan de Nova Island: low, flat, and sandy
Tromelin Island (Iles Eparses): low, flat, sandy; likely volcanic seamount
Elevation extremes:
lowest point: Indian Ocean 0 m
highest point: Mont de la Dives on Ile Amsterdam (Ile Amsterdam et Ile Saint-Paul) 867 m; unnamed location on Ile Saint-Paul (Ile Amsterdam et Ile Saint-Paul) 272 m; Pic Marion-Dufresne in Iles Crozet 1,090 m; Mont Ross in Iles Kerguelen 1,850 m; unnamed location on Bassas de India (Iles Eparses) 2.4 m; unnamed location on Europa Island (Iles Eparses) 24 m; unnamed location on Glorioso Islands (Iles Eparses) 12 m; unnamed location on Juan de Nova Island (Iles Eparses) 10 m; unnamed location on Tromelin Island (Iles Eparses) 7 m
Natural resources:
fish, crayfish