Otter Plain (71°30′S 7°30′E / 71.500°S 7.500°E) is an ice plain between Sigurd Knolls on the north and the Muhlig-Hofmann and Drygalski Mountains on the south, in Queen Maud Land. Plotted from surveys and air photos by the Norwegian Antarctic Expedition (1956–60) and named after the Otter aircraft used by the expedition.
This article incorporates public domain material from "Otter Plain". Geographic Names Information System. United States Geological Survey.