Liernu

Liernu is a village of Wallonia and a district of the municipality of Éghezée, located in the province of Namur, Belgium.

Liernu is best known for its centuries old Big Oak Tree (50.58412°N, 4.82765°W), one of the largest and oldest in continental Europe. The tree took part in the "European Tree of the Year" competition in 2016 as a representative of Belgium.

Liernu had 806 inhabitants as of March 2006, and extends over 625 ha.