Holmbury-St-Mary is also home to the UCL Department of Space and Climate Physics (Mullard Space Science Laboratory), a Department of University College London and the UK's Largest University-Based Space Science Research Group.
On similar terrain in the far east of the parish and borough is Holmbury St Mary which has been used in the latest edition of the London-Surrey Cycle Classic — both small villages are centres for hiking and mountain biking.
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