Other parks include Alexandra Park on a hill overlooking the city; Parade Gardens, along the river near the abbey in the city centre; Sydney Gardens, an 18th-century pleasure garden; Henrietta Park; Hedgemead Park; and Alice Park. Jane Austen wrote "It would be pleasant to be near the Sydney Gardens. We could go into the Labyrinth every day." Alexandra, Alice and Henrietta parks were built into the growing city among the housing developments. Linear Park is built on the old Somerset and Dorset Joint Railway line, and connects with the Two Tunnels Greenway which contains the longest cycling and walking tunnel in the UK. Cleveland Pools were built around 1815 close to the River Avon, now the oldest surviving public outdoor lido in England, and plans have been submitted for its restoration.