 First mentioned in 1270, St. Agatha's is the county's smallest church with dimensions of 30 ft 3 in by 20 ft 2 in (9.2 by 6.1 m), and at 797 ft (243 m) above sea level is the third highest old parish church in Surrey.Buildings lie at 150–248m AOD; the lowest point is at the Croydon Road roundabout at the foot of Woldingham Road, which is 106m AOD; the highest point is along The Ridge, a road which is parallel to the North Downs Way, which is 261m AOD and is a continuation of the highest point of the North Downs, Botley Hill, higher.From the nearby areas of high ground impressive views can be enjoyed – and from some places one can see much of Greater London as far as the Chilterns, or looking south the Vale of Holmesdale, Greensand Ridge and woods of the Weald.