Park at Greenhead, opposite the Church. Cross the main road and walk down the side of the village hall along Station Road to the gate at the end. Take the footpath to the right, signed the Pennine Way and Thirlwall Castle. At the path, end go through the wicket gate and turn right.
Cross the footbridge and follow the Tipalt Burn upstream to Thirlwall Castle. Once you have looked around the ruins go back down the track and cross the footbridge over the Tipalt Burn following Hadrian’s Wall Path/Pennine Way up-hill past Holmhead. Continue along the footpath following the course of Hadrian’s Wall to the road.
Turn right onto the road. You will pass Northumberland National Park picnic area at Walltown where there are visitor facilities.
Continue on the road, turn right alongside the Carvoran Roman Army Museum car park. A waymarked stile in the stone wall near the Museum takes you on a path across the fields back towards Greenhead.
When you come to the road (B6318 Military Road) turn right and walk along the Hadrian’s Cycleway cycle path downhill into Greenhead.