This Heartland photo contains
horse trail.
There might also be
horse wrangler, wrangler, lippizan, lipizzan, lippizaner, saddle horse, riding horse, and mount.
Just to warn you, they do not have the full episode up on youtube, they are missing the 5th part but I will post it up when they put it up on Youtube!
Episode 8 from Season 1 of Heartland