Slåbrock is a Christian mini rock festival being put up every spring See www.srock.no.
Canal Lock Festival.
The last weekend in June / first weekend in July is time for the great summer event in Marker; The Canal-lock Festival. Celebrating the industrious and innovative Engebret Soot who literally canalized the beautiful Halden waterway system to a transportation system of substacially economic importance. During this festival you can experience the oldest operative propeller equipped steamship in the world, sailing and in mint condition. You can relax with jazz music, cabaret shows, plays, auctions, vintage cars, old handcrafts brought to live, competitions etc. www.slusefestivalen.no .