Riddiford Nunatak

Riddiford Nunatak (

80°59′S 159°48′E / 80.983°S 159.800°E / -80.983; 159.800Coordinates: 80°59′S 159°48′E / 80.983°S 159.800°E / -80.983; 159.800) is a small but conspicuous nunatak (c.1200 m) with an adjoining lower outcrop, lying 2.5 nautical miles (4.6 km) west-northwest of Abercrombie Crests in Darley Hills, Churchill Mountains. Named by Advisory Committee on Antarctic Names (US-ACAN) after , National Geographic Magazine cartographer/typographer, about 1923–58; his drawings illustrate the NGM monograph on , 1947. One of several features in Darley Hills that are named for NGS staff.

 This article incorporates public domain material from the United States Geological Survey document: "Riddiford Nunatak". (content from the Geographic Names Information System)