What towns in the UK end Gros Bea and Mont?

There are no towns in the UK that end in "Gros Bea" or "Mont".

It's possible you are thinking of:

* "Grosmont": This is a town in Wales.

* "Beaumont": This is a common place name in the UK, with variations like "Beaumont-le-Roger" and "Beaumont-sur-Oise" which are towns in France.

Let me know if you have other details about the town you're looking for, and I can help you further.