How to: sunken trampoline

Written by kimberli nalven
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How to: sunken trampoline
Any size or shape trampoline can be sunken into the ground. (IT Stock Free/Polka Dot/Getty Images)

Trampolines can be great fun as well as a source of physical exercise for both kids and adults. However, the risk of injury can discourage many people for putting one in their back yard. By sinking the trampoline into the ground, you can help reduce some of the risk of injury from flying off the trampoline. In addition to putting your trampoline in-ground, you can also add a net around the perimeter to provide yet another level of safety.

Skill level:
Moderately Challenging

Things you need

  • Trampoline kit (comes with springs, mat, metal structure polls)
  • Shovel
  • Wheelbarrow
  • Small pick axe
  • Mallet
  • Black spray paint
  • Tape measure

Show MoreHide


  1. 1

    Remove all trampoline parts from the box and lay the trampoline mat on the ground in the spot you intend to sink the trampoline.

    How to: sunken trampoline
    The mat is typically black and is the fabric surface of the trampoline used for jumping. (Jeff Randall/Lifesize/Getty Images)
  2. 2

    Assemble the metal frame of the trampoline by connecting the provided poles in the manner indicated in the assembly directions. Lay the assembled frame over the trampoline mat and use the spray paint to trace the exact shape of the frame on the ground.

    How to: sunken trampoline
    The spray paint will allow you to dig out the exact size and shape of the trampoline frame. (Jupiterimages/ Images)
  3. 3

    Remove the trampoline parts from the marked area and use the shovel to dig out the shape of the spray-painted trampoline frame. To dig the correct depth, measure the height of the assembled frame and make sure your hole is that deep.

  4. 4

    Remove the dirt, grass or sand that you dig out of the hole and use the wheelbarrow to cart it away. Then slide the assembled frame back over the hole and slip it in the space.

  5. 5

    Use the pick axe to remove any extra earth or debris that impede any of the frame legs as you push the frame down into the hole. Use the pick only for frame legs that won't fit. The frame needs to fit snugly in the ground, so making the area around any of the legs loose is not recommended.

  6. 6

    Use the mallet to gently tap the tops of the frame legs into place if necessary. Use caution so you do not bend or crimp any of the legs.

    How to: sunken trampoline
    Using a mallet strategically can help you get a snug fit of the trampoline frame in the hole. (Zedcor Wholly Owned/ Images)
  7. 7

    Stretch the trampoline mat over the sunken metal frame and secure each of the springs to both the mat and the frame holes. Stretch and tie the mat pad around the perimeter of the trampoline and check for any tears before using the trampoline.

Tips and warnings

  • If your trampoline is fairly large or the ground you are digging is very hard, consider using a small skid-steer to do the majority of the digging. Most home improvement stores rent them by the hour for small home improvement jobs.
  • According to Insurance Salesman, it may be difficult to get homeowners insurance if you have a trampoline --- sunken or not --- in your home or yard because it is considered a hazard. The American Academy of Pediatrics also discourages the use of trampolines by kids.

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