Spearfish Canyon Scenic Byway At a Glance Distance: 19 miles Trip Length: 1 day Start/Stop: Spearfish or Cheyenne Crossing The short-but-sweet Spearfish Canyon Scenic Byway offers a sampler platter of gorgeous Black Hills scenery. Really take your time exploring this ancient canyon, whose limestone cliffs conceal misty waterfalls, sun-dappled streams and other natural wonders, bookended by two charming towns. 20 // #HiFromSD Spearfish Canyon