Name StatusApproved: NZGB Antarctic CommitteeFeaturePeakNZ Gazette Reference2009 (77) p.1803DatumRSRGD2000GeoTag[1] PositionDescriptionPrecipitous, mainly ice-covered subsidiary peak on the Mount Murphy massif, located 9 mi ENE of the summit of Mount Murphy, on Walgreen Coast, Marie Byrd Land. First mapped by USGS from air photos obtained in January 1947 by U.S. Navy Operation Highjump. Named by US-ACAN after Lt. Gordon W. Callender (CEC), USN, officer in charge of Byrd Station in 1966.