Orestes Valley is a small ice-free valley at the north side of Mount Orestes in the Olympus Range, Victoria Land. Named in 1964 for its association with Mount Orestes by American geologist Parker E. Calkin.
This article incorporates public domain material from the United States Geological Survey document "Orestes Valley" (content from the Geographic Names Information System).
References
Orestes Valley Wikipedia(Text) CC BY-SA