Although these suppliers don't match your search for Riverside venues in Monmouthshire, they are within approximately 40 miles and could still be of interest.
Venues, Riverside venues, Gloucester, Gloucestershire
Elmore Court, an unusual Country House like no other.
With over 700 years of family history it is yet wildly young at heart, sustainably run, consistently rated 5 stars and entirely surrounded by stunning countryside set in a bend of the River Severn.
(Riverside venues in Monmouthshire)