The Flashes is a 115.1-hectare (284-acre) Local Nature Reserve west of Godalming in Surrey. It is owned by the National Trust and managed by Waverley Borough Council. It is part of Thursley, Hankley and Frensham Commons Sites of Special Scientific Interest, Thursley, Ash, Pirbright & Chobham Special Area of Conservation and Thursley, Hankley & Frensham Commons Special Protection Area,