This Amazing Hiking Trail In South Dakota Takes You Through Abandoned Train Tunnels

Did you know that South Dakota has an epic, 109-mile-long trail that’s perfect for exploring on foot or by bicycle? Everyone should explore at least a portion of the George S. Mickelson trail during a lifetime. Take a look!

Have you hiked or biked the George S. Mickelson trail? We’d love to see your pics and hear your stories – tell us in the comments!