Le Grotte di Sileno tra le Eccellenze d'Italia del Gambero Rosso Extra Virgin Oil Guide - Slow Food 2006 Guida Oli d'Italia. Tre Foglie Gambero Rosso 2012 Italian Oil Guide - Gambero Rosso 2011 Certificate of Bio/Organic farming and production for Le Grotte di Sileno Once again this year, ours is one of the top extra virgin olive oils in Italy. Vinitaly 2012 - Diploma di Gran Menzione for our CÓNTRORA wine Extra Virgin Oil Guide - Slow Food 2011 Extra Virgin Oil Guide - Slow Food 2007 Extra Virgin Oil Guide - Slow Food 2008 Extra Virgin Oil Guide - Slow Food 2010 Special Mention at the Concorso Oleario Internazionale Armonia