Sydenham to Crystal Palace. Just a couple of caches to fill in the area, also to get RubyShoos just a little closer to 2000 Yellow Caches.
At the posted co-ords is a square stone marker with a date on it - ABCD
N51° 26.(C-A)(B+C)C W000° 03.(B+C)(D-C-A)(B+C)
Checksum - 49
Parking available nearby on Sydenham Hill