Portland Trampolines is happy to display a high-quality line of trampolines that your whole family can enjoy. We offer the AlleyOop Sports® line of trampolines from JumpSport, with superior patented safety technology, enhanced quality and industry-leading warranty. All AlleyOop systems come complete with integrated safety-net enclosures, and offer many important design advantages over mass-market units. With their lifetime warranty on the frame and 5 year warranty on the jumping mat and enclosure, you can be assured that your family will enjoy the trampoline for their whole childhood. Click here to visit JumpSport.com and see all of the AlleyOop trampoline models and accessories available. In our showroom you'll find three trampolines on display: the 14' diameter deluxe "DoubleBounce Trampoline" with its unique double-bed design, the 14' diameter "VariableBounce Trampoline" and the 10’ x 17’ "VariableBounce Rectangular Trampoline". Stop by and give these trampolines a bounce!   DoubleBounce Trampoline Simply the Best! This 14' double-bed trampoline is the most advanced safety technology available.Patented double-deck design and AirShock™ system reduces stress on the body while providing a smooth, wonderful bounce. Adjustable to "grow" with your family. Weight rated for 250 lb. jumpers, to allow for older "children." VariableBounce Trampoline This 14' single-bed trampoline incorporates AlleyOop's patented "asynchronous spring technology," making it safer for your family. Weight rated for 225 lb. jumpers. VariableBounce Rectangular Trampoline AlleyOop now offers a 10’ x 17’ Rectangular Trampoline that utilizes the same spring technology as their round trampoline. It includes 92 Extra-Stretch™ High-Performance Springs that are 10-inch long, zinc-plated steel. Weight rated for 225 lb jumpers. PowerBounce... Dual Spring Performance Technology! This is an additional set of springs that is unique to AlleyOop. They can be tuned to different age, weight and skill levels to best suit your family. They can easily be added to any of AlleyOop’s trampolines. Portland Trampolines, LLC. 7400 SW Macadam Ave Portland, OR 97219 Phone: 503-473-8130 Fax: 503-244-2868 Email: Email Us! Hours: Mon-Sat: 10am-5pm Sun: 12pm-4pm Map: Click here for a map