Knapwell, distance 6 miles (9.6k). Leader: Roger, 0786 6423 181.  Park in the RSPB Nature Reserve Car Park next to the Church of All Saints, CB23 4NW.  Assemble by the Church Gate.  From Cambridge take the A428 towards BEDFORD. Take the exit signed TOFT, HARDWICK, DRY DRAYTON. At the roundabout take the 2nd exit (St Neots Road) signed CALDECOT, BOURN AIRFIELD. At the next roundabout take the 3rd exit signed KNAPWELL. After about a mile take the right turn signed KNAPWELL and drive 2 or 3 mins to enter the village; drive along High Street and turn right into the Car Park signed Nature Reserve.  Circular walk through Childerley Estate back to Knapwell through the woods where the spring flowers should be in bloom. Mostly using good paths with 1 field to cross which could be muddy.