The Observatory, Folly observatory in Longhoughton, England
The Observatory features a square-plan tower constructed on open hollow-chamfered arches, built from rough-faced stone with ashlar dressings at Ratcheugh Crag.
Robert Adam designed this Grade I listed building between 1754 and 1770 for Hugh Percy, the first Duke of Northumberland, as part of his architectural additions.
The structure stands as one of several observation points near Alnwick, including Brizlee Tower, Jenny's Lantern, and Crawley Tower, marking the regional landscape.
The viewing tower contains a single enclosed room with three large round-arched windows on each wall, offering views toward Alnwick Castle and the North Sea.
The Observatory sits on Ratcheugh Crag, where 'heugh' represents a local Northumberland term for a precipitous hill without a stream.
Location: Longhoughton
Architects: Robert Adam
Made from material: stone, ashlar
GPS coordinates: 55.42460,-1.64709
Latest update: April 2, 2025 07:32
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