Avaux is located some 22 km west by south-west ofRethel and 38 km south-east ofLaon. Access to the commune is by the D523 fromÉvergnicourt in the south-west which changes to the D137 at the border then continues to the village and north-east to join the D18 south-west ofSaint-Germainmont. The D966 forms the western border of the commune as it goes south fromLor to Evergnicourt. Apart from thin strips of forest along the eastern and southern borders the commune is entirely farmland.[4]
TheCanal latéral à l'Aisne forms the southern border of the commune and theAisne river forms the eastern border then runs through the south of the commune parallel to the canal as it flows west to eventually join theSeine atConflans-Sainte-Honorine.
^Yannick Hureaux evoking his friend Yves Gibeau in a conference at Avaux on 22 May 2009Article on 4 June 2009 extracted from l'Union magazine(in French)