The bounce mats used for most trampolines are made from woven polypropylene and that material is recyclable – it’s a #5 plastic – so is, in theory, recyclable wherever #5 plastic is collected. The trampoline frame and springs can be recycled for steel scrap at a local metal scrap yard.
But, why not find a creative way to keep it and use the components! Do you need a garden? Outdoor seating area? Swinging Bed?
Recycle This from the United Kingdom has some clever and creative ideas on what to ‘up-cycle’ your trampoline into for reuse: http://www.recyclethis.co.uk/20090911/how-can-i-reuse-or-recycle-a-kids-trampoline
Other DIY ideas include some additional thinking outside the bin!
Outdoor Living Area transformed from Trampoline to Outdoor Ambiance Seating Area: Trampoline’s jumping surface is made into a weed mat, metal circular frame is used for edging and accent lighting and springs are painted for decoration. Et Voila’ short video found at https://www.youtube.com/watch?v=el_1MHk6t9A
Treehugger.com has a SWINGING BED made from an old trampoline. http://www.treehugger.com/eco-friendly-furniture/diy-recycled-trampoline-beds.html