High Quality Content by WIKIPEDIA articles! Elvaston Castle (full name Elvaston Castle Country Park) is a country park in Elvaston, Derbyshire, England with 200 acres (0.81 km2) of woodlands, parkland and formal gardens. The centrepiece of the estate is Elvaston Castle itself. The castle is a Grade II* listed building but as at 2008 is regarded as a Building at Risk.