The River Aln runs through the county of Northumberland in England. It rises in Alnham in the Cheviot Hills and discharges into the North Sea at Alnmouth on the east coast of England.

Eglingham is a village in Northumberland, England, situated about 7 miles (11 km) north-west of Alnwick and 10 miles (16 km) from Wooler. It lies in the sheltered valley of the Eglingham Burn, a tributary of the River Aln, about 100 metres (330 ft) above sea level, in a rural conservation area set amongst rolling countryside, within 5 miles (8 km) of the Cheviot Hills. The village is surrounded by mainly arable farmland, moorland and woodland, including an arboretum and some commercial forestry.