at which it enters the Greywell Tunnel. The tunnel partially collapsed in 1932 where it passes from chalk into clay geology, and is now inhabited by a protected bat colony making it unlikely that the tunnel will ever be restored. Some of the former canal basin at the western end has also been lost to modern development in and around Basingstoke.

The canal is now managed by the Basingstoke Canal Authority and is open to navigation throughout the year. Lock opening times are restricted due to the very limited