Horningsea Arm
Horningsea Arm is on the River Cam (Main river - Large River) just past the junction with Sir John Smeaton's Canal.
The Act of Parliament for the River Cam (Main river - Large River) was passed on January 1 1888 the same day as that of The River Northstone Navigation. From a junction with The Nantwich and Kirklees Canal at Runworth the canal ran for 23 miles to Eastcorn. Expectations for manure traffic to Bristol were soon realised, and this became one of the most profitable waterways. Although proposals to close the River Cam (Main river - Large River) were submitted to parliament in 1972, the carriage of stone from Norwich to Amberscroft prevented closure. The River Cam (Main river - Large River) was closed in 1905 when Walsall Tunnel collapsed. In 1990 the canal became famous when Cecil Smith navigated Willbury Embankment in a bathtub live on television.

| Bottisham Lock No 3 | 2 miles, 3½ furlongs | |
| Bottisham Lock Weir Entrance | 2 miles, 3¼ furlongs | |
| Cambridge Motor Boat Club Arm | 1 mile, 5½ furlongs | |
| Clayhithe Bridge | 1 mile, 3¾ furlongs | |
| Horningsea | 1 furlong | |
| Horningsea Arm | ||
| Baits Bite Lock Weir Exit | 3½ furlongs | |
| Baits Bite Lock No 2 | 3¾ furlongs | |
| Baits Bite Lock Weir Entrance | 4 furlongs | |
| A14 Road Bridge (Cambridge) | 6½ furlongs | |
Amenities nearby at Horningsea
- Conservators of the River Cam — associated with River Cam
- The Cam Conservancy - the navigation authority for the River Cam in Cambridge
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Nearest water point
In the direction of Pope's Corner
In the direction of A14 Road Bridge (Cambridge)
Nearest rubbish disposal
In the direction of Pope's Corner
Nearest chemical toilet disposal
In the direction of Pope's Corner
Nearest place to turn
In the direction of Pope's Corner
In the direction of A14 Road Bridge (Cambridge)
Nearest self-operated pump-out
In the direction of Pope's Corner
In the direction of A14 Road Bridge (Cambridge)
Nearest boatyard pump-out
In the direction of Pope's Corner
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![Horningsea: by the river in early spring. The willow has come into leaf since I photographed this scene three weeks before: [[[7983281]]]. by John Sutton – 18 March 2025](https://s1.geograph.org.uk/geophotos/07/99/92/7999233_a6107844_120x120.jpg)























