Bedfordshire is a county of England. Its county town is Bedford. It borders Cambridgeshire, Northamptonshire, Buckinghamshire (with the Borough of Milton Keynes) and Hertfordshire. The highest elevation point is 243 m (797 ft) on Dunstable Downs in the Chilterns. The county motto is "Constant Be", which is taken from the hymn To Be A Pilgrim by John Bunyan.
There are forty Sites of Special Scientific Interest (SSSIs) in Bedfordshire, designated by Natural England. Thirty-five are listed for their biological interest, and five for their geological interest.
Three of the sites are also National nature reserves, twelve are in the Chilterns Area of Outstanding Natural Beauty, and eleven are managed wholly or partly by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.