No special access issues
From Asker take Rv1436/1439 towards Dikemark. Pass through Dikemark and continue until you get the slabs of Vardåsen on your left hand side. Park along the road and walk up the path towards the slabs. Take right befor you reach the slabs and continue though the forrest and over a fence until you have pased the slabs. Then go up until you reach the first sectors.