1 From the car park, go left along the edge of the harbour and continue up the canal, past the church to Brows Bridge. Go up to the bridge and cross it. After 100yds (91m) fork left into Jeremy Lane. Just after a sharp double bend there's a footpath sign on the right over a culvert and through a gate. Follow the right field edge, round to the left and through a gate, over another culvert bridge and along an obvious track.
2 Go left at a junction along the lane to Kendal Hill farm. Just after the bungalow, but before the farm itself, cross a stile on the right, then another beside a drinking trough. Walk down past the farm to another culvert and continue straight ahead for about ½ mile (800m) over various footbridges and stiles. From a substantial bridge over a ditch, go straight ahead to a gap then along the side of the field towards Crook Cottage. The track alongside leads to the sea wall. Go left, left again by Lighthouse Cottage, then right at the next junction. At the second sharp left-hand bend there's a gate on the right with a stile alongside. Follow the track to the farm, round past the house, and out to the ruins of Cockersands Abbey.
3 From the ruins, walk out to the sea wall and turn right, which brings you back to the junction by Lighthouse Cottage. Retrace the short section to Crook Cottage but continue to Crook Farm. Turn right just before the houses and along a track. After a gate on a bridge it becomes little more than tractor ruts as it swings towards a line of hawthorns, then becomes clearer again. Continue alongside a caravan site, then a lane leads out to a road. Go left and up to Tithebarn Hill.
4 There's no sign of a tithe barn today, but this is the highest point of the walk at 60ft (18m). The view indicator isn't as easy to read as it once was but it's clear enough. And isn't it good to know that Coniston Old Man is 27¾ miles (44.6km) away (especially if you can't see it)?
5 Directly opposite, at the mouth of the river, is Sunderland. The road to the village still floods at high tides. Turn right down Tithe Barn Hill into the village and across the swing bridge or lock gates. The car park's just beyond, on the right.