Chancery Lane Station
Zone 1 Tube station on the Central Line.
There are no surface buildings; entry to the station is via one of four (or is it three?) subway entrances arranged around the intersection of High Holborn and Gray's Inn Road.
GPS data collected by Kake on a Garmin eTrex, 9 March 2007, and released into the public domain: OSGB 531155, 181620, on the corner of the pavement behind the northeast entrance.