Dinton Pastures Butterfly Cafe, Davis Street, Berkshire, Hurst 0118 934 2016 Plenty of Parking (£1.80 for 4 hrs).
Heading out in an easterly direction via Binfield then on to Holyport. Taking the A4094 to Bourne End and Marlow. Then heading back to Cookham (Quarry Wood) and Winter Hill, covering Burchetts Green and Twyford. For Garmin fans, the route is now uploaded here: http://connect.garmin.com/course/6052087