BERG Grand Champion InGround 350 Grey + Safety Net Deluxe - 350cm x 250cm (11ft 6" x 8ft 2")
BERG Grand Champion InGround 350 Grey + Safety Net Deluxe - 350cm x 250cm (11ft 6" x 8ft 2") is backordered and will ship as soon as it is back in stock.
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Description
Description
BERG Grand Champion InGround 350 Grey with Safety Net Deluxe – Premium Oval Trampoline
The BERG Grand Champion InGround 350 Grey with Safety Net Deluxe is a premium oval trampoline designed for families looking for excellent bounce performance, durability and safety. Measuring 350cm x 250cm (11ft 6" x 8ft 2"), it combines BERG's advanced AirFlow Pro jumping mat, TwinSpring springs and premium Safety Net Deluxe to deliver an outstanding jumping experience.
The Grand Champion is a significant step up from the BERG Favorit range, offering a more powerful, responsive bounce, a larger optimal jumping area and a stronger overall construction.
Its oval shape combines the advantages of round and rectangular trampolines, providing a generous jumping area with excellent control. The longer shape is particularly useful for jumpers who enjoy moving along the length of the trampoline rather than bouncing predominantly in the centre.
As an InGround trampoline, it sits approximately 20cm above the surrounding ground, making it easier to access and less visually intrusive than a traditional above-ground trampoline.
Why Choose an Oval Trampoline?
The BERG Grand Champion combines the excellent jumping characteristics of a round trampoline with some of the advantages of a rectangular design.
The longer shape provides a larger optimal jumping area, giving users more room to develop their jumping skills while maintaining a comfortable, controlled bounce.
There are several advantages to choosing an oval trampoline:
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Larger optimal jumping area – More usable space for bouncing compared with many similarly sized round trampolines.
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Excellent jumping control – The shape and TwinSpring spring system provide a controlled and responsive bounce.
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Longer jumping area – Particularly useful for jumpers who enjoy moving backwards and forwards along the trampoline.
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Practical garden shape – The oval design can fit neatly into gardens where a large round trampoline would occupy too much width.
The Grand Champion is an excellent choice for families wanting something more versatile than a traditional round trampoline.
AirFlow Pro Jumping Mat – Up to 150% More Airflow
The Grand Champion features BERG's advanced AirFlow Pro jumping mat, replacing the previous AirFlow design.
AirFlow Pro allows up to 150% more air to pass through the jumping mat compared with a standard trampoline mat. Its specially developed 7x7 weave reduces air resistance, allowing jumpers to achieve a higher, more responsive bounce with less effort.
This is particularly beneficial on an InGround trampoline, where reducing air resistance helps maintain excellent bounce performance.
The jumping mat is manufactured using durable, weather-resistant materials designed for regular outdoor use.
Combined with the TwinSpring springs, AirFlow Pro provides outstanding jumping comfort, control and performance.
TwinSpring Springs – A Better, More Powerful Bounce
Unlike the SoloSpring springs fitted to the BERG Favorit range, the Grand Champion features BERG's advanced TwinSpring spring system.
The longer springs are positioned at an angle in a distinctive V-shaped arrangement, allowing more springs to be fitted around the trampoline.
This design provides several important benefits:
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A more powerful bounce – Longer springs deliver a smoother, more responsive jumping experience.
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Larger optimal jumping area – The V-shaped configuration allows more of the jumping mat to be used effectively.
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Improved jumping comfort – The springs work together to absorb and return energy smoothly.
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Excellent durability – The springs have a protective coating to help prevent corrosion.
The combination of TwinSpring springs and the AirFlow Pro jumping mat is what makes the BERG Grand Champion such an enjoyable trampoline to use.
Extra-Thick, UV-Resistant Protective Padding
The BERG Grand Champion features 30mm thick protective padding, designed to provide excellent coverage over the springs and outer frame.
The pads are approximately 39cm wide and manufactured using high-quality, closed-cell foam covered with a durable, UV-resistant PVC outer material.
The thick padding provides additional protection around the jumping area, while the durable covering is designed to withstand regular outdoor use.
The protective padding is securely attached to the trampoline to help keep it correctly positioned during use.
Super Strong Galvanised Steel Frame
The Grand Champion features a strong, heavy-duty steel frame designed to withstand the additional forces generated by the TwinSpring springs.
The frame is manufactured using 48mm diameter steel tubing with a 2mm wall thickness, providing excellent strength and rigidity.
The steel components are galvanised to protect against corrosion, with additional protective powder coating on relevant components for increased durability.
The sturdy frame construction provides excellent long-term stability, making the Grand Champion suitable for regular family use.
BERG provides a 10-year frame warranty, extended to 13 years when the trampoline is registered with BERG.
BERG Safety Net Deluxe – Premium Safety Enclosure
This trampoline includes the BERG Safety Net Deluxe, a premium safety enclosure offering several improvements over the standard Safety Net Comfort.
The Deluxe uses a different, higher-quality net material, providing a durable enclosure with a softer feel.
Another important difference is the larger-diameter safety net poles, which curve outwards, away from the netting. This creates additional space between the safety net and the metal supports, helping reduce the likelihood of jumpers coming into contact with the poles if they fall against the enclosure.
The supporting poles are also covered with protective foam sleeves for additional protection.
A reinforced fibreglass top ring helps maintain an even tension around the enclosure, preventing the net from sagging and giving the trampoline a smart, premium appearance.
The Deluxe also features a self-closing entrance without a zip, allowing children to enter and exit easily without needing to remember to fasten anything behind them.
InGround Installation – A Lower-Profile Trampoline
The BERG Grand Champion in-ground trampoline is designed to sit close to ground level, with the trampoline frame approximately 20cm above the surrounding ground.
Unlike a FlatGround trampoline, which sits flush with the lawn, the InGround design allows air to escape from beneath the jumping mat during use. This is important for maintaining good bounce performance.
A hole must be prepared beneath the trampoline before installation.
Hole dimensions for the BERG Grand Champion InGround 350:
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Approximate hole length: 310cm
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Approximate hole width: 210cm
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Approximate depth at the centre: 80cm
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Hole shape: A gradual, bowl-shaped profile
Important – Do Not Dig the Hole Before Receiving Your Trampoline
Because the Grand Champion is oval, we strongly recommend waiting until you have received your trampoline before digging the hole.
The trampoline jumping mat can be used to help mark out the correct curved shape at each end of the excavation. Attempting to mark out the oval shape without the mat can result in the hole being incorrectly shaped.
The hole should be deepest along the middle, gradually rising towards the outside. Avoid creating steep vertical sides, as these can collapse over time and affect the stability of the surrounding ground.
It is also important not to dig the hole too wide, as the trampoline frame must remain properly supported around the outside.
Please follow BERG's current installation instructions when preparing the hole.
Wicken Toys offers a professional trampoline installation service. We can deliver and assemble the trampoline over your prepared hole, although we do not undertake the excavation work.
Why Buy Your BERG Grand Champion Trampoline from Wicken Toys?
At Wicken Toys, we have specialised in outdoor play equipment since 1991, offering expert advice, a huge range of trampolines and a friendly, knowledgeable service.
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UK-held stock – We hold our trampoline stock here in the UK, ready for delivery when available.
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Our own delivery vehicles – Larger trampolines are delivered by our own team rather than national parcel carriers.
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Professional installation available – Our experienced team can deliver and assemble your new trampoline, with the hole prepared in advance.
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Fast delivery – We aim to deliver in-stock trampolines within 5 working days across England and Wales, with longer lead times for Scotland, Devon and Cornwall.
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Try before you buy – Visit our extensive outdoor display near Milton Keynes and compare a wide range of trampolines.
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5-star Trustpilot reputation – Buy with confidence from a family business known for its customer service.
What's Included?
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BERG Grand Champion InGround 350 Grey – 350cm x 250cm (11ft 6" x 8ft 2") oval trampoline
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AirFlow Pro jumping mat
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TwinSpring galvanised springs
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30mm thick, 39cm wide protective padding in grey
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Heavy-duty galvanised steel InGround frame
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BERG Safety Net Deluxe with curved supporting poles
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Required assembly components and instructions
Trampoline cover and other accessories are available separately.
Trampoline Safety
Only one person should use the trampoline at a time, as multiple jumpers significantly increase the risk of injury.
Somersaults and flips are not recommended, as landing incorrectly on the head or neck can cause serious injury.
Adult supervision is recommended, and a minimum 2-metre clear safety area should be maintained around the trampoline.
Always follow BERG's assembly instructions and safety recommendations.
Specifications
Specifications
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On Display at Wicken Toys
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Elevate Your Jumping Experience with the BERG Champion

BERG Inground Hole Dimensions
This chart shows all of the different sizes of Inground trampolines that we can offer. Please ensure that you look at the correct shape and size so that you have the correct hole dimensions.
The hole should be bowl shaped and the trampoline will sit around the outside of the hole. Do NOT dig the hole bigger than the dimensions shown as the feet will to close to the edge of the hole.
The trampoline is slightly raised above the ground to allow the air to escape from under the trampoline. If the air can not escape it will reduce the bounce quality when it is being used.
The rectangular or Ultim 410 x 250 size is not available as a Champion inground. It is however available as a Flatground in the Champion range. If you want this size as an Inground you will need to look at the BERG Favorit range.
Elevate Your Jumping Experience with the BERG Champion
Discover the BERG Champion, a premium trampoline engineered for those who expect more from their outdoor experience. Whether you’re a beginner or an advanced jumper, this high-quality trampoline combines superior performance, refined design, and unmatched safety to deliver the ultimate jumping adventure.
Crafted with AirFlow Pro spring mats, TwinSpring, and a reinforced steel frame, the BERG Champion ensures smooth, controlled movement and effortless lift. Every component reflects BERG’s commitment to durability, comfort, and innovation, creating a luxury trampoline built to last.
Available in InGround, FlatGround, and Regular (Freestanding) models, the BERG Champion seamlessly complements any modern outdoor space — from family backyards to premium garden setups.
Why Choose the BERG Champion
- Unmatched bounce performance for higher, longer jumps
- Advanced airflow technology for smoother lift and control
- Premium-grade materials for lasting strength and stability
- Designed for safety and comfort, ideal for all ages and skill levels
- Elegant, durable design that enhances any outdoor environment
Enjoy your garden views with the Inground BERG Champion trampoline - Simply decide on the location and dig the hole. Its sleek design and effortless setup make it the perfect choice for those seeking style, convenience, and top-tier performance in one beautiful product.
Choose round, rectangular or oval trampolines
Round: Most common and a popular choice. Best suited to single users due to the user being pulled back into the centre of the trampoline bed. The bounce is light and easy in the middle so it’s ideal for younger users
Oval: Oval trampolines suit narrower gardens and multiple jumpers, offering more usable space than round trampolines. They give a balanced, controlled bounce, with extra room for tricks and safer landings.
Rectangular: Rectangular trampolines suit experienced or multiple jumpers. Ideal for high jumps, tricks, and top performance. Commonly used in gymnastics and Olympic competitions. TheyProvide the best bounce for higher jumps. Evenly distribute force for controlled landings, no central pull, and extra space for tricks and multiple users.

Try a BERG Champion trampoline before you buy!
We have 20 trampoline of all shapes and sizes on our display site for you to come and try. 14 of these are BERG trampolines with 5 of them being from the Champion range. The round 380 is on display along with the rectangular 330 and the oval 350, 470 & 520.
We have the BIGGEST display in the UK where you the children can try all of the outdoor climbing frames, trampolines, swings and go karts.
Whether you are looking at a go kart or an expensive climbing frame, you can get an idea from looking at a picture on a website but you can not beat actually seeing it and even giving it a shake to see how sturdy it is. We will come to see if you have any questions or would like any help but we will not chase you around while you are looking.













