Alnmouth - Craster - Dunstanburgh Castle: 16.2 miles (26km)
Outward leg via beach during a receding tide:
Alnmouth Bay (E) - Alnmouth Beach, towards Amble (S) - Marden Rocks
Whaw Burn - Seaton Point - Boulmer
Longhoughton Steel - Howdiemont Sands - Iron Scars
Howick Haven, Hummocky rock strata - Howick, Rumbling Kern - Craster, Dunstanburgh Castle
Return leg via the Northumberland Coast Path:
Sea Houses, Howick - Howick Haven - Hedgerow grasses
Howick Burn footbridge - Alnmouth Golf Club - Marden Rocks
Alnmouth Bay - River Aln - Alnmouth
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