Guyer's Lock is a lock on the Kennet and Avon Canal, between Kintbury and Newbury, Berkshire, England.
Guyer's Lock was built between 1718 and 1723 under the supervision of the engineer John Hore of Newbury. The canal is administered by British Waterways.
It is a grade II listed building.[1]
| Next lock upstream | Kennet and Avon Canal | Next lock downstream |
| Higg's Lock | Guyer's Lock Grid reference: SU453669 |
Newbury Lock |