GEOGRAPHY THROUGH MAPS
Onyx River
The Onyx flows through Wright Valley in the McMurdo Dry Valleys, from the Lake Brownworth area towards Lake Vanda. It is a summer meltwater river rather than a year-round large drainage system.
Fast Facts
- Flows inland, broadly westward.
- Supplied by glacier melt during the austral summer.
- Often described as Antarctica’s longest surface river.
Connected lessons
- Onyx RiverMap, explanation and practice
- A continent with several water environmentsGuided exploration
Geographical connections
- Lake VostokRelated places
- Ross SeaRelated places