Hobbs Quarry, Longhope (grid reference SO695195) is a 1-hectare (2.5-acre) geological and biological Site of Special Scientific Interest in Gloucestershire, England, notified in 1966. It is situated midway between Longhope and Dursley Cross in the Forest of Dean. Adjacent woods are Kiln Wood and Coleman's Wood. The site is managed by the Gloucestershire Wildlife Trust. The site is listed in the 'Forest of Dean Local Plan Review' as a Key Wildlife Site (KWS).