An undulating walk through a varied landscape of ancient woodland, open downs and farmland, just outside London.
The simplest journey is the 9.54 Tattenham Corner train from London Bridge, arriving Chipstead 10:53.
Or ... get the Thameslink Redhill train (St Pancras 9:56, London Bridge 10:11) and change onto the above train at Purley (arr 10:34, dep 10:42).
You could also get the 9:51 East Grinstead train from Victoria (Clapham Jct 9:57) and change at East Croydon onto the Tattenham Corner train (platform 6, 10:27).
Return from Chipstead to London Bridge at xx:33 and xx:03.
Lunch: The Well House Inn (01737-830640) in Mugswell.
Tea: The Ramblers Rest (01737-552661) on Outwood Lane. It is 1 km from Chipstead station so allow 15-20 minutes.