Crossing the Border We finally crossed the border into South Dakota. The border between Nebraska and South Dakota is none other than the majestic Missouri River. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to share on Telegram (Opens in new window) Telegram Click to share on WhatsApp (Opens in new window) WhatsApp Like Loading... Related