page_title: Sunbury Lock
section_title: Reach above the lock
hierarchical_section_title: Sunbury Lock / Reach above the lock
caption_attribution_description: English: Riverside at Walton on Thames Walton on Thames
context_page_description: Sunbury Lock is a lock complex of the River Thames in England near Walton-on-Thames in north-west Surrey, the third lowest of forty four on the non-tidal reaches. The complex adjoins the right, southern bank about ¹⁄₂ mile downstream of the Weir Hotel.
  The complex is two locks, old and new, and a narrow concrete divide, which are downstream of the original lock built in 1812. The older, hand-operated, was originally built in 1856, seldom used. The newer was opened in 1927 by Lord Desborough. Rollers and a slope adjoins for the portage of small boats. The lock adjoins Sunbury Lock Ait.
  The lock has three associated weirs, upstream. The main weir is between Sunbury Lock Ait and Wheatley's Ait; the latter has two other weirs, one is a small part-time storm weir.
context_section_description: A 300 m cut upstream of Sunbury Lock Ait links to the Weir Hotel facing the Sunbury Weir which is followed by Wheatley's Ait hosting an Environment agency working area and riverside housing. More riverside housing, small parks and a marina feature on the Walton Mile and Cowey Sale reach below and above Walton Bridge, two pubs, and a marina. After Walton Bridge the river divides between the old course which meanders through Lower Halliford and Old Shepperton and the direct Desborough Cut alongside Desborough Island. Before Shepperton lock the waters rejoin where the Wey navigation the River Bourne and two mouths of the Wey join surrounding Hamhaugh Island. Immediately these, including the lock, the Shepperton to Weybridge Ferry.
  Navigation transit markers are beside Desborough Cut to allow river users to check their speed.
  The reach is home to six rowing clubs, a skiffing club, sailing and canoeing clubs. Walton and Weybridge Regatta, Walton Small Boats Head, Weybridge Silver Sculls, Weybridge Ladies Regatta and Walton Skiff Regatta are annual events.
caption: Walton riverside from the river
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