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Slate Monolith SM148
Slate Monolith SM148

Slate Monolith SM148 is a beautiful large standing stone for a garden design at 940mm tall with wonderful natural detailing through the rock.

£639.00
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Slate Monolith SM138
Slate Monolith SM138

Slate Monolith SM138 is a breathtaking large tower of real Welsh slate, perfect as a focal point in a large scale garden design. At 1.2m tall and with it’s stunning riven top in natural green this piece will draw the eye in any outdoor setting.

£895.00
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Slate Monolith SM110
Slate Monolith SM110

Slate Monolith SM110 is an absolutely huge towering piece with a natural, rustic face. This feature will add an instant aged look to a garden, rather than waiting for nature take its course. At just over 1.6m tall, the subtle textures of real Welsh Slate are magnified on this beautiful large standing stone, with every side covered in unique natural stone textures.

£1,095.00
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Slate Monolith SM85
Slate Monolith SM85

Slate Monolith SM85 is a stunning mountain shaped standing stone water feature. At just under 1m tall this beautiful piece of real Welsh Slate has a blend of deep weathered crevasses on one side and a gentle sweeping curve on the other. It will make a truly special centre piece in any garden design or landscaping project.

Large Reservoir Pack and LED Lighting available in the Basket.

£799.00
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Slate Monolith SM62 1
Slate Monolith SM62

Slate Monolith SM62 is a beautiful large chunk of Welsh Slate standing at just under a metre high. This is a very clean stone with a distinctively shaped top, which could allow for a nice natural flow of water to cascade down the faces. The subtle textures of real Welsh Slate are magnified on this stunning garden feature, every side covered in unique natural stone detailing.

Large Reservoir Pack and LED Lighting available in the Basket.

£850.00
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Slate Monolith SM100
Slate Monolith SM100

Slate Monolith SM100 is an absolutely beautiful standing stone in traditional Welsh slate grey mixed with gold stripes which adds to the rustic feel. The shape and sloping style of this piece would be ideal as a focal point in a landscaping project or garden design.

LED Lighting and Slate Chippings available in the Basket.

£550.00
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Slate Monolith SM146
Slate Monolith SM146
Slate Monolith SM146 is a gorgeous slender feature stone, perfect as a garden design focal point. The vibrant grey tones and visible layers on this piece are a great example of welsh slate.
£295.00
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Slate Monolith SM145
Slate Monolith SM145
Slate Monolith SM145 is a gorgeous slate water feature with stunning natural colour variations, perfect as a garden design focal point. Reservoir & Pump Pack to fit this stone obelisk available in the basket.
£875.00
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Slate Monolith SM147
Slate Monolith SM147
Slate Monolith SM147 is a stunning angular piece of slate, perfect as a garden design focal point. The lush tones on this piece are a mix of greay and quartz and highly desirable.
£545.00
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Slate Monolith SM86
Slate Monolith SM86

Slate Monolith SM86 is an absolute beauty crammed full of character and ruggedness. At just under 1m tall it’s not the tallest in stock but is certainly the heaviest. The subtle textures of real Welsh Slate are magnified on this beautiful X-Large ornament with every side covered in unique natural stone detailing. This is a darker black colour mixed with rustic tones ‘fools gold’. On one edge there is a gradual drop and on the other is an absolute natural master piece, with deep crevasses for the water to meander and work its way down to the bottom, all of which adds character to this incredible Welsh Slate garden water feature.

Large Reservoir Pack and LED Lighting available in the Basket.

£995.00
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Slate Monolith SM90
Slate Monolith SM90

The subtle textures of real Welsh Slate are magnified on Slate Monolith SM90, with every side covered in unique natural stone detailing. At exactly 1m tall, the base is thick and substantial and the stone slightly tapers up to the top. The front face has a number of bold waves running across it, giving it depth and character. This is a darker black colour mixed with rustic tones.

LED Lighting & Slate Chippings available in the Basket.

£495.00
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Slate Monolith SM106
Slate Monolith SM106

Slate Monolith SM106 is a tower of real Welsh natural stone, perfect as a focal point in either a traditional or modern garden design. The front face has a rustic feel to it with waves and ripples being exposed in the different layers, the subtle textures of real Welsh Slate magnified on this beautiful large garden ornament.

This piece can not be drilled as a water feature.

LED Lighting and Slate Chippings available in the Basket.

£495.00
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Slate Monolith SM78
Slate Monolith SM78

Slate Monolith SM78 is an absolute beauty crammed full of character and ruggedness. This one stands out as it has a ledge running across the face, three quarters of the way up, sloping left to right. At over 1metre tall, the subtle textures of real Welsh Slate are magnified on this beautiful X-Large ornament with every side covered in unique natural stone detailing. There are a number of ‘green spots’ on this piece which is said to be due to variations in cooling, millions of years ago, which all adds character to this incredible Welsh Slate garden water feature.

Large Reservoir Pack and LED Lighting available in the Basket.

£725.00
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Slate Monolith SM104
Slate Monolith SM104

Welsh Slate Monolith SM104 is a distinctive large standing stone for use in a garden design or landscaping project. Predominantly blue grey in colour with iron pyrite stripes this piece would site equally well in both a traditional or modern garden design.

This piece can not be drilled as a water feature.

LED Lighting and Slate Chippings available in the Basket.

£535.00
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Slate Monolith SM112
Slate Monolith SM112

Slate Monolith SM112 is a weathered, organic standing stone water feature with some quirky detailing on one side. The surface varies in texture with wonderful natural stone detailing throughout the piece.

Large Reservoir Pack and LED Lighting available in the Basket.

£695.00
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Slate Monolith SM60
Slate Monolith SM60

Slate Monolith SM60 is a tall, bulky piece of Welsh Slate standing at just under a metre high. This is a very clean stone with a distinctively shaped top which will allow a nice natural flow of water to cascade down the slate. The subtle textures of real Welsh Slate are magnified on this beautiful piece, every side covered in unique natural stone detailing.

Large Reservoir Pack and LED Lighting available in the Basket.

£750.00
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Stone Monolith SM144
Stone Monolith SM144
Stone Monolith SM144 is a gorgeous boulder style stone, perfect as a garden design focal point. The natural light, earthy tones on this piece are incredibly rare and highly desirable. It has a very coastal, weathered feel to it.  With our Large Reservoir Pack this stone obelisk is transformed into a stunning water feature (available in the basket).
£795.00
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Slate Monolith SMU7
Slate Monolith SMU7

Slate Monolith SMU7 is an undrilled feature stone which is perfect for a rockery or in a Japanese Style Garden. Just over a metre in length, this could be laid flat or placed upright in the ground. A mix of colours, predominantly Plum with a weathered style face and white quartz tones running throughout.

£175.00
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Slate Monolith SMU5
Slate Monolith SMU5

Slate Monolith Undrilled which is perfect as a rockery or feature stone in any style of garden, particularly a Japanese Style Garden. There are a mix of Plum and rustic tones throughout this piece of slate, with natural, rugged edges all round.

£175.00
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Unique Large Stone Monoliths for striking garden design features are what we are famous for. Our hand selected and crafted Welsh slate monoliths are the centrepieces of gardens across the UK. Premium standing stones for large scale garden designs and landscaping projects.

Our Large Stone Monoliths are over 850mm in height and bring natural stone textures to the forefront in any garden design. Please check individual products for exact dimensions. Every stone monolith we list is the exact product you will receive. We pick them by hand so it's only right we sell them individually too. It's important when purchasing a significant natural garden feature to know exactly what you are buying, with multiple photos, dimensions and a clear description of the precise piece.

We also stock ranges of Small Monoliths, which are under 500mm in height, and Medium Monoliths which are between 500mm and 850mm. It's common for customers to purchase multiple stone monoliths to create different effects in their gardens. Many of our monoliths come core drilled as water features, as well as being free standing garden ornaments, so the design possibilities are endless. Visit our Garden Designers & Landscapers page to discover great UK tradespeople with previous experience at installing Welsh Slate Water Features products.

Delivery to standard UK postcodes is FREE. Please Contact Us for shipping quotes for remote areas and internationally.