With an are of approsimately 572ha, Sillahertane Estate is a large property by Irish standards. The estate varies in elevation from 197 to 472 metres, most of which is either used for foresty or upland for sheep grazing. The estate is situatedin the Glane Valley, Co. Kerry, wich meets the county of Cork in the East. The estate is typically exposed to weather from the atlantic, which brings mild, but wet conditons.