Address: 828 Hwy 16a, Keystone SD 57751 / (605) 255-4101
About Us / 6 Days Cafe - maybe closed History: Organic juice and smoothie bar, salad bar, a health food store. Also serves sandwiches and wraps, in-house-made baked goods. Close to Mt. Rushmore. AUG 2013 its Facebook page not working - please let happycow know if this place will re-open or if it has shut down!