This place has some great "natural type" of obstacles. I'd love to set up a course like this one.
http://longbranchstable.com/page177.html
And I've come up with a long list of obstacles to practice. Which is great to keep your horses mind active even if you don't normally find these things out on the trail.
1. Mount from opposite side
2. 12’ box. Walk in and do a 180 * turn
3. Narrow space to walk through. Put a ground pole down and have tall objects at entrance.
4. Bridge with object along the side.
5. Black drainage tubing, formed into circles to walk over. Have tall objects at sides.
6. Tarp made into a ditch with flower floating in it.
7. Kiddies’ pool to walk through
8. L shaped back through lined with flowers, trees, ect
9. Maze made out of ground poles or limbs to walk thru and around.
10. High tire filled with dirt that you have to jump onto with all four feet touching.
11. Rope an object
12. Pick up a bucket of water and dump water into a barrel or onto the ground.
13. Tent or T-Pee
14. Fire
15. Balloons and streamers
16. Pick up rain slicker and put on
17. Mail box to open and take out paper or other object and close door.
18. 1 Straight pole on ground to walk over. Straddle, keeping the left feet on one side and right on the other.
19. Umbrella
20. Teeter Totter
21. Step up platform
22. Pool noodles on ground
23. Hula Hoops to push a big ball into
24. Car wash. Strips of tarp suspended above your head to walk through.
25. Stacked barrels to walk through
26. Flags
27. Gate to open. Could be just a rope gate.
28. Blow bubbles
29. Log or branch to drag.
30. Sprinkler
31. Bags full of cans to drag or place on barrels.
32. Fire crackers
33. Use a tractor tire to put either both front or back legs in, then, move around tire.
34. Ground poles or elevated logs to side pass
35. Tarp on ground
36. Cones with flags sticking out of them
37. Bags or flags tied to fence or a rope fence
38. Bubble wrap. Pop it close by and even place on ground to walk on
39. Cap gun
40. Leaf blower
41. Mattress on the ground to walk on
42. Milk jug with rocks in it to drag
43. Ditch in ground to step over – boxed out in wood
44. Plank wood to step over. 2x8”, with flowers in front of it
45. Toss object (water balloon, apple, horseshoe) on to a table or bucket
46. Pick up object off the ground with long pole.
47. Hold pole to ground while riding around it in a circle. (Advanced-keep pole on barrel)
48. Straw bales to jump over.
49. Squirt gun
50. Back up hill
51. Corral Gate to walk thru. Corn stalks on side of opening, RR tie and tires to fan out opening.
52. Gong or something loud to bang against, hanging up