Sydenham Hill of large residential properties built along Sydenham Hill, including Grange Court (1861), The Wood (1840), Dilkhoosh (now Fountain House) (1864), Highfield (1855), The Cedars (1894), Sydenham Hill House (1898), Dulwich Wood House (1858), Beltwood House (1851) and Castlebar (1879). In 1854, the areas importance was increased after the Crystal Palace was relocated from Hyde Park and re-erected on the southwestern end of the ridge. In 1863, the Chatham Main Line was opened by the London, Chatham and Dover Railway, bringing the railway to Sydenham Hill. Construction involved building a 1.2 mile (1,958 meter) tunnel through the hill, starting at College
The Crystal Palace navigated their way to Central London by tracking the River Thames. The Crystal Palace grounds were also used as a manufacturing base for aircraft radar screens and other hi-tech equipment of the time. This remained a secret until well after the war. After the destruction of the Palace, the High Level Branch station fell into disuse, and was finally shut in 1954. After the war the site was used for a number of purposes. Between 1927 and 1972 the Crystal Palace motor racing circuit was located in the park, supported by the Greater London Council, but the noise was unpopular