Mad River Distillers Burlington is a retail outlet for our small batch spirits made by hand in Warren, Vermont. We also feature an expansive selection of bitters and cocktail mixers from across the country. We offer tasting flights of spirits everyday as well as craft cocktails from Thursday-Sunday.Mad River Distillers Burlington is a retail outlet for our small batch spirits made by hand in Warren, Vermont. We also feature an expansive selection of bitters and cocktail mixers from across the country. We offer tasting flights of spirits everyday as well as craft cocktails from Thursday-Sunday. .