Image after Petr Exner's Vexilologický Lexikon prapory obcí ČR (2005)
- Desná town, Jablonec nad Nisou district, Liberec region - adopted 31
May 2005.
Flagdescription: 4 horizontal stripes, blue, white, yellow, green.
Homepage: with Coat of Arms: per fess
azure two firtrees vert issuing from an rounded base vert, a millwheel
brown in a stream argent; in chief "1691" or.
Jarig Bakker, 18 May 2008