Heartlands cornwall heartlands is a free visitor attraction and world heritage site gateway in cornwall nestled just off the a30 in pool near redruth in the former mining heart of cornwall there are 19 acres of eclectic fun to explore. 01 hartland 01 hartland home about what we do partnership management plan 2016 2021 cornwall wildlife trust and devon wildlife trust jointly manage the marsland valley nature reserve which can be accessed from the cornwall side of the valley at gooseham mill or from the entrance to the north of marsland manor. The hartland stretch of the cornwall area of outstanding natural beauty is one of the smallest running from just above bude to the north cornish border with devon it takes in the famous village of morwenstow and borders the old wool town of kilkhampton. Situated on the north devon coast bordering cornwall youll find the hartland peninsula the perfect place to escape for a relaxing cottage break away from the routine and a great base from which to explore both the devon and cornwall coasts