We are approx 7 miles from the A30.
From A30 take the Helston, Scorrier turning for the B3297.
Follow signs for Helston.
Keep on the main B3297 through the village of Fourlanes.
About 2 mile out side Fourlanes you will see a turning for Carnmennellis on your left go past this ,up the hill, as the road begins to narrow at top of hill start to indicate right we are the 1st drive way on the right.
You will see the sign for Carthew Farm B&B.

Map taken from MultiMap.com