Vitenskapelige ærer og tildeler
- Retzius Medal Royal Swedish Soc. for Anthrop. And Geogr. 1950;
- Mungo Park Medal Royal Scottish Soc. for Geogr. 1951;
- Bonaparte-Wyse Gold Medal Société de Geogr. de Paris 1951;
- Elish Kent Kane Gold Medal Geogr. Soc. of Philadelphia 1952;
- Hon. Member Geogr. Soc. Norway 1953, Peru 1953, Brazil 1954.
- Elected Member Norwegian Academy of Sciences, 1958;
- Fellow New York Academy of Science, 1960.
- Doctor Honoris Causa Oslo University, 1961;
- Vega Gold Medal Swedish Soc. for Anthrop. And Geogr., 1962;
- Lomonosov Medal Moscow University, 1962;
- Royal Geographical Society Gold Medal London, 1964;
- Member American Anthrop. Assoc. 1966;
- Kiril i Metodi Award Geog. Soc. Bulgaria, 1972;
- Hon. Prof. Inst. Politec. Univ. Nacional, Mexico 1972;
- Internat. Pahlavi Environment Prize, United Nations 1978;
- Doctor Honoris Causa USSR Academy of Science 1980;
- Bradford Washburn Award, Boston Mus. of Sience, USA, 1982;
- Doctor Honoris Causa Univ. San Martin, Lima, 1991;
- Doctor Honoris Causa Univ. of Havana, 1992;
- Doctor Honoris Causa Univ. of Kiev, Ukraine, 1993;
- Doctor Honoris Causa Univ. of Maine, USA, 1998;
- Doctor Honoris Causa Univ. of Hartford, Connecticut, USA, 1998;
- Doctor Honoris Causa Latvian Academy of Sciences, 1998;
- International Prize of the Spanish Geographical Society 1998;
- Doctor Honoris Causa D. Mendeleyev University of Chemical Technology of Russia, 1999.
National Decorations
- Commander of the Order of St . Olav, Norway 1951, and with Star in 1970;
- Officer of El Orden por Méritos Distinguidos, Peru, 1953;
- Grand Officer Orden Al Mérito della Republica Italiana, 1968;
- Commander American Knights of Malta,1970;
- Order of Merit, Egypt,1971;
- Grand Officer Royal Alaouites Order, Morocco, 1971;
- Order of Golden Ark, Netherland, 1980;
- Officer La Orden El Sol del Perú, 1975.