at Junction 28, turn off to Cullompton Town Centre
Take a left at the T-junction in Cullompton.
Travel all the way through the town and you will ultimately arrive at a small roundabout.
Take the second exit which is straight across, and up the hill in front of you. Travel this road for some 2 miles, finally taking you uphill into the centre of Bradninch.
The Castle is at the top of the Town, next to the Guildhall and opposite the local Spar shop.
by bus ........... the Stagecoach Devon 1B service stops right outside, time table is at this link