There are pros and cons when considering to sink the trampoline into the ground. The trampoline is less visible and it provides easy access on and off the trampoline. If anyone was to fall from the trampoline the height is reduced. Decide whether you want the trampoline just above or flush with the ground. It is difficult for air underneath compressed by bouncing to escape through the tight mesh of a polypropylene jumping bed. This affects and inhibits the bounce.
The options are either:
To set the trampoline bed 6″ …