Name StatusApprovedFeatureRidgeNZ Gazette Reference2001 (48) p.1094DatumRSRGD2000GeoTag[1] PositionDescriptionFeature # 75 in ACAN minutes of 19/06/2000. A ridge at c. 3540 m that descends the SW slope of the summit crater of Mount Erebus, Ross Island. So named because the ridge is defined by a series of fumarolic ice towers. Not: Tower Ridge.