1 3⁄4 oz Gin
1⁄2 oz Elderflower liqueur, St. Germain
1⁄2 t Crème de Violette
1 oz Soda water
Build on the rocks.
There seem to be a number of drinks named Belmont. This recipe is not authoritative, however.
Gin, Elderflower liqueur, Crème de Violette, Soda water