1. Go south along the lane, following it left around a sharp bend. After 250 metres, turn off through a gate immediately in front of a farm shed on the right. Walk through to the meadow beyond and cross to a gate at the far side. Over a grass track, continue straight ahead across the next two fields. Entering the third field, go left beside the ditch to a stile in the corner. Cross another track and bridge then swing right beside the reen. Over another bridge, made a bee-line towards Porton House, crossing the intervening track to rejoin it by the house. Turn right over a gated bridge and climb onto the flood embankment.