Boscombe Valley is a ficticous country district close to Ross-on-Wye on the southwestern side of Herefordshire, England that serves as the setting for Sir Arthur Conan Doyle's "The Boscombe Valley Mystery" in The Adventures of Sherlock Holmes. It is a rural area with two farms and estates owned by John Turner. Boscombe Valley is the first rural setting to be featured in a Sherlock Holmes story, providing an opportunity for Conan Doyle to demonstrate Holmes' sleuthing abilities outside of London and without the assistance of local law-enforcement.