Length: ~5.75 km (3.5 miles). Toughness 1/10.
18:06 Thameslink Sutton service from London Blackfriars, arriving Mitcham Junction at 18:37 or you could arrive a few minutes earlier on one of the trains below:
18:11 Southern Dorking service from London Victoria (Clapham Junction 18:18, Balham 18:23), arriving Mitcham Junction at 18:33
17:52 Southern Sutton service from London Bridge, arriving Mitcham Junction at 18:27
You can also arrive by tram (frequent services from Wimbledon or East Croydon), but be aware that tram and train journeys are charged separately.
Return trains from Carshalton are at xx:45 and xx:15 to London Victoria, xx:49 and xx:19 to Blackfriars until 21:19 then at xx:51 and xx:21. All stations are in London travelcard zones 1-6 so you can use Oyster or Contactless.
This is a short section of the Mitcham Junction to Colliers Wood walk. It starts at Mitcham Junction and follows the published route through part of Mitcham Common and across Beddington Farmlands - a large area being transformed into a new wetlands nature reserve. The route leads you through the attractive Beddington Park with its historic buildings then on to Carshalton Ponds and Carshalton Village, which offers a choice of post walk refreshment places. The Hope (020 8240 1255) 48 West Street SM5 2PR, a community run pub, has been popular in the past. It serves home cooked one-pot meals (until 10pm) and real ales.
You'll need to print the directions from the L=swc.273 page.
There are plenty of orchards along the Medway Valley and this should be a good time for apple blossom. There might still be patches of bluebells and wild garlic to be seen, but the predominant colour in the fields will be a bright yellow from swathes of buttercups.