The Original Green River. During prohibition, this lime based soda, with a hint of lemon, was poured into old beer bottles and sold in the market. With the vivid green color and great flavor, it was an immediate success. Green River was a big hit for decades as soda fountain syrup, trailing only coca cola in popularity. Including its bright green color, green river takes people back to a pleasant time in their life, in the 1950′s and 1960′s at a time of corner soda fountains and drive-in movies. The soft drink was so popular that artists like al Jolson and john forgery recorded songs written about green river. Caffeine free. Priority mail. Fans of green river know that it’s not just another soda, it’s nostalgia in a bottle. Soda pop. It’s made with 100% natural flavors and leaving something for everyone.