But I don't think there's another one where I've seen both ends but not the middle. To be fair, in this case the middle doesn't exist.
Having been moored on one end of the Cromford Canal, at Langley Mill, at the end of May, last week I visited the other end at - surprise! - Cromford, this being just a twenty minute stroll away from our awayday destination of Matlock Bath.
I can report that it is indeed a canal.
And here I bought my own little piece of history