Northumberland is a unitary authority area in North East England, England's most northerly county, formed in 2009 from the merger of several districts. This vast and historically rich county encompasses the Northumberland National Park, the Hadrian's Wall World Heritage Site, the Northumberland Coast AONB, the Cheviot Hills, and the historic towns of Berwick-upon-Tweed, Alnwick, Morpeth, and Hexham. The climate is varied with the coast experiencing milder conditions while the Cheviots and Northumberland National Park have upland weather with higher rainfall and winter snow. Culturally, Northumberland holds exceptional heritage significance with Hadrian's Wall (UNESCO World Heritage Site, the Roman frontier running across the county with its magnificent forts including Housesteads, Vindolanda, and Chesters). The area preserves exceptional heritage including Alnwick Castle (one of England's largest inhabited castles, seat of the Duke of Northumberland, used as Hogwarts in the Harry Potter films, with its famous gardens), Bamburgh Castle (dramatically sited on the coast, one of England's most spectacular castles), Lindisfarne Priory and Castle (the Holy Island, accessible by causeway, one of England's holiest sites, cradle of Christianity), and Berwick-upon-Tweed's Elizabethan walls (the finest surviving town walls in England). The Northumberland National Park offers spectacular walking, dark skies (one of the best places in England for stargazing), and the Cheviot Hills. The Northumberland Coast AONB provides beautiful beaches, dramatic castles, and wildlife including seabirds and seals. The county's villages feature traditional stone cottages while the market towns (Hexham, Morpeth, Rothbury) maintain their historic character. Kielder Water and Forest (one of England's largest man-made lakes and forests) offers outdoor activities and the Kielder Observatory. Northumberland's rich border history (the Reivers) and its castles (more than any other English county) attract visitors from worldwide. Boundary GIS data for Northumberland County Council is available for download in GeoJSON and KML formats, essential for managing this historically rich and scenically spectacular county, protecting Hadrian's Wall and the National Park, preserving its world-class castles and coastline, and supporting sustainable tourism and rural communities.

📍 Administrative boundary of northumberland local authority district

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