Devnya Valley (Devnenska Dolina \'dev-nen-ska do-li-'na\) is 2.5-km long and 700 m wide and is situated between the north slopes of Great Needle Peak (Falsa Aguja Peak) and Helmet Peak in Levski Ridge, Tangra Mountains on Livingston Island in the South Shetland Islands. The valley holds a side tributary of Huron Glacier. It is named after the town of Devnya in Northeastern Bulgaria.
The valley is located at (Bulgarian mapping in 2005 and 2009 from the Tangra 2004/05 topographic survey).
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.