#trail  a path or track roughly blazed through wild or hilly country
  supertype:  #cart_track__track__cartroad  any road or path affording passage especially a rough one
  subtype:  #cattle_trail  a trail over which cattle were driven to market
  subtype:  #deer_trail  a trail worn by the passage of deer
  subtype:  #horse-trail  a trail for horses
  subtype:  #Iditarod_Trail  a trail that extends 1,100 miles from Anchorage over the Alaska Range to Nome
  subtype:  #Indian_trail  a trail through the wilderness worn by Amerindians
  subtype:  #mountain_trail  a trail through mountainous country
  subtype:  #Santa_Fe_Trail  a trail that extends from Missouri to New Mexico; an important route for settlers moving west in the 19th century
  subtype:  #ski_run__skirun__ski_trail__skitrail  trail or slope prepared for skiing
     subtype:  #piste  a ski run densely packed with snow

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