You are looking for a small container which has a good view over the rail tracks heading towards Upper Warlingham on the Oxted line. Unlike the ivy, you will not need to climb to see the trains!
This cache is small, bring a pen!
With far-reaching views and paths into the surrounding countryside, Riddlesdown offers space for walking and seeing wildlife including wildflowers, birds and brightly-coloured butterflies such as the chalkhill blue. ( City of London Corporation, Visit Riddlesdown)