LNHSAreaMap

The 'London Area' is the recording area used by the London Natural History Society and is a 20 mile radius of St Paul's Cathedral, see map below:



To check the exact distance of any site you need to know the six figure grid reference, this can be done online using - (click on the site and get the coordinates from the link at the bottom of the page). Copy the grid ref to using TQ320811 (St Paul's Cathedral) as the other grid ref. This gives you the distance between the two sites in kilometres, divide by 1.6 to convert it to miles.