Gmyrdek is a river of Poland, a tributary of the river Ruptawka near Jastrzębie-Zdrój.

Gmyrdek
Location
CountryPoland
Physical characteristics
Mouth 
 • location
Ruptawka
 • coordinates
49°56′14″N 18°35′19″E / 49.937213°N 18.588526°E / 49.937213; 18.588526
Basin features
ProgressionRuptawkaSzotkówkaOlzaOderBaltic Sea