Ashridge Estate - (NT) - "Ashridge Estate is a 2,000 hectare (5,000 acres) area of the Chiltern Hills with beech and oak woodlands, commons and chalk downlands" "Accessible parking - twelve accessible parking spaces, 50yds from the visitor centre. All-ability trails - three accessible routes starting near the visitor centre. Pathways - smooth and flat tracks, to rougher routes and sloping natural terrain. Many routes can be slippery and muddy after wet weather. PMVs - our single-seater scooters and one two-seater golf buggies are available to borrow. Adapted toilet available - please note this facility is only open during opening hours, there is no radar key access" - from the National Trust website