Orvin Mountains
{{Short description|Mountain range in Antarctica}}
{{Infobox mountain range
| name=Orvin Mountains
| native_name={{native name|no|Orvinfjella}}
| photo=Conrad Mountains North.jpg
| photo_caption=View looking to the west over Glopeken Glacier. Glopeken Glacier is located in the northern part of the Conrad Mountains, a subrange of the Orvin Mountains.
| map=Antarctica
| map_caption=Map depicting the territorial extent of Queen Maud Land
| region=Queen Maud Land, East Antarctica
| region_type =
| country=Antarctica
| country_type=Continent
| parent=Fimbulheimen
| border=
| geology=
| period=
| orogeny=
| highest=Sandeggtind Peak
| coordinates = {{coord|72|00|00|S|09|00|00|E|type:mountain_scale:100000|format=dms|display=inline,title}}
|elevation_m=3055}}
The Orvin Mountains ({{langx|no|Orvinfjella}}) constitute a major group of mountain ranges, extending for about {{convert|100|km|abbr=on}} between the Wohlthat Mountains and the Mühlig-Hofmann Mountains in Queen Maud Land. With its summit at {{convert|3055|m|ft|0}}, the massive Sandeggtind Peak forms the highest point in the Conrad Mountains, a subrange of the Orvin Mountains.
Discovery and naming
First photographed from the air and roughly plotted by the Third German Antarctic Expedition (1938-1939), led by Capt. Alfred Ritscher. Mapped by Norwegian cartographers from surveys and air photos by the Sixth Norwegian Antarctic Expedition (1956–60) and named for Anders K. Orvin, director of the Norwegian Polar Institute from 1958 to 1959.{{cite gnis| type = antarid| id = 11171| name = Orvin Mountains| access-date = 31 May 2010}}
Constituent ranges
Constituent ranges of Orvin Mountains, listed from east to west: