 The location is off the M8 motorway, 15 km north-east of Urlingford and Johnstown, County Kilkenny, or south-west from Durrow, County Laois along the R639 road.Cullahill Mountain is listed as Special Area of Conservation under the European Union Habitats Directive.The site has a large population of Green-winged Orchid which is a rare species that is legally protected under the Irish governments "Flora Protection Order (1987)".