From Exeter follow the A30 signs to Redruth.
Take the second exit off the dual carriageway past Chiverton Cross roundabout, signed Redruth.
Bear right onto the Redruth by-pass following the signs for Camborne.
At the end use the large roundabout to turn back onto the by-pass. Take the third exit left opposite the Tesco filling station and signed Tricky Dickies. Tumblydown Farm is about 200 yards further on your right.