A Walk on the Chalk – Dunstable Downs
Dunstable Downs National Trust, Whipsnade, Dunstable, Beds, 9.30am-1pm. £5. Part of the 5th Annual Chilterns Heritage Festival. Join Haydon Bailey, Geological Adviser to the Chiltern Society and Chairman of the Hertfordshire Geological Society, for a walk around part of the perimeter of Kensworth Quarry, Dunstable.