How old was the Sycamore Gap tree? The age of the landmark explained and if a felled tree can be saved

Sycamore Gap: Expert warns felled Robin Hood tree can be saved – but it will take decades - Irish Mirror Online

Hunt for the Sycamore Gap vandals as 300-year-old world-famous tree is cut down overnight - and theories mount that 'professionals who knew what they were doing' are behind it

Robin Hood Prince of Thieves director breaks silence on felling of Sycamore Gap tree - Mirror Online

England's Iconic Sycamore Gap Tree Destroyed by Act of Vandalism

Sycamore Gap tree felled at Hadrian's Wall

Sycamore Gap tree at Hadrian's Wall cut down by 'vandals' - BBC News

Sycamore Gap tree - Wikipedia

The Sycamore Gap: four other significant tree…

Who cut down the Sycamore Gap tree? Forensics team examines trunk for clues as locals claim 'professional' vandals targeted tree on windy night to mask sound chainsaw sound

Cuttings from felled Sycamore Gap tree showing signs of growth, says National Trust, The National Trust

At Site Where Sycamore Gap Tree Fell, an Unanswered Question: Why? - The New York Times

Can the Sycamore Gap tree be saved?

Sycamore Gap tree – latest: Future of site to be decided as National Trust inundated with messages of support

Lawyer explains why police haven't solved Sycamore Gap tree case yet - Nottinghamshire Live