Drain cherries, reserving syrup. Set whole cherries aside.

Juice 4 of the limes to yield ½ cup juice. Thinly slice remaining limes.

In a large pitcher stir cherry syrup, lime juice, soda, and tart cherry juice. Add lime slices.

Transfer to a container with a tight-fitting lid for transport. Serve over ice and garnish with reserved whole cherries. Makes 10 servings.