HomeUSAPennsylvaniaNortheast Ridges and ValleysDelaware Water Gap (PA)Mount Minsi The Grunge Walle. The Grunge WallLAT,LNG 40.96337, -75.12383CREATED UPDATED Edit MapShareDescription[Edit]This is the generally loose, wet and vegetated wall left of the Cat Wall. Nice ice climbing in the winter months! Most routes here do not top out because the upper rock band is rotted due to water run-off fro mthe upper trails.1 ClimbsComing soon: New Climbs1The Great Escape5.4Trad