Derf has been with the family since he was 4 months old. Originally from Alberta, he is the face of Algonquin Highlands Trail Riding. Not only does Derf have good looks, but he is a sensible boy as well. Because of his sensible nature, he is used as the tail horse on the majority of trail rides. Taking care of the team is his specialty. Tanks' best friend, he has a special place within the family. Derf is the comedian. When not accompanying a trail ride, his whinny beckons the riders home.