Showing all 37 results

Quartz Boulder QB11
Quartz Boulder QB11

Quartz Boulder QB11 is a cream glacial stone with random splashes of white, core drilled as a water feature, a truly unique garden ornament. This piece looks very modern and contemporary, lighting up when the water hits it’s faces and will look fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£175.00
Add to basket
Quartz Boulder QB12
Quartz Boulder QB12

Quartz Boulder QB12 is a white glacial stone with random splashes of cream, core drilled as a water feature, a truly unique garden ornament. This piece looks very modern and contemporary, lighting up when the water hits it’s faces and will look fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£165.00
Add to basket
Quartz Boulder QB14
Quartz Boulder QB14

Quartz Boulder QB14 is a white glacial stone with random splashes of quartz, core drilled as a water feature, a truly unique garden ornament. This piece looks very modern and contemporary, lighting up when the water hits it’s faces and will look fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£200.00
Add to basket
Quartz Boulder QB9
Quartz Boulder QB9

Quartz Boulder QB9 is a dark green and glacial stone with random splashes of white, core drilled as a water feature, a truly unique garden ornament. This piece looks very modern and contemporary, lighting up when the water hits it’s faces and will look fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£200.00
Add to basket
Quartz Boulder QB7
Quartz Boulder QB7

Quartz Boulder QB7 is a mix of whites and greens and is core drilled as a water feature, a truly unique garden ornament. This piece is very modern and contemporary, lighting up when the water hits it’s faces and also looks fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£125.00
Add to basket
Quartz Boulder QB8
Quartz Boulder QB8

Quartz Boulder QB8 is a red glacial stone with random splashes of white, core drilled as a water feature, a truly unique garden ornament. This piece looks very modern and contemporary, lighting up when the water hits it’s faces and will look fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£155.00
Add to basket
Stone Monolith SM63
Stone Monolith SM63

Stone Monolith SM63 is a superb small Portland Stone boulder with natural rustic edges and faces and a light vibrant colour palette of Cotswolds style creams and yellows, perfect in a border of a traditional cottage garden. Portland Stone also suits contemporary designs, and contrasts beautifully when matched with Welsh slate chippings and careful planting choices.

Small Reservoir Pack and LED Lighting available in the Basket.

£50 OFF in August

£449.00
Add to basket
Slate-Monolith-SM51 | Welsh Slate Water Features
Slate Monolith SM51

Hand picked from a quarry in Pembrokeshire, Slate Monolith SM51 is a round jagged boulder with varying layers exposed which will create a lovely cascading fall of water with our additional reservoir pack. It’s staged layers mean the fall of water will be very visible in the right garden design.

Small Reservoir Pack and LED Lighting available in the Basket.

£125.00
Add to basket
Stone Monolith SM54
Stone Monolith SM54

Stone Monolith SM54 is a Portland Stone boulder core drilled and chiseled to replicate a waterfall. This starting out as a square block and after carefully chiselling down to create a cascading face, the water flows down perfectly. The creamy Cotswolds tones combine with the water flow to add a bit of peace and tranquility to any garden design.

£350.00
Add to basket
ON SALE
Quartz Boulder QB1
Quartz Boulder QB1

Quartz Boulder QB1 is full of amazing colours and gives the appearance of a flow of lava through the middle of the stone. A truly beautiful garden ornament, Quartz Boulder QB1 truly shines when the water hits it and looks fantastic with night lighting.

Small Reservoir Pack and LED Lighting available in the Basket.

£450.00 £429.00
Add to basket
Slate Monolith SM70
Slate Monolith SM70

Slate Monolith SM70 is a really nice colourful, rustic piece of Pembrokeshire slate. Quite square with sloping, angled edges and splashes of rustic colour which contrasts nicely with the blue / grey top. This is a very clean stone with a distinctively shaped top, allowing for a nice natural flow of water to cascade down the faces with our additional Reservoir Pack. The subtle textures of real Welsh Slate are magnified on this beautiful piece, every side covered in unique natural stone detailing.

Reservoir Pack and LED Lighting available in the Basket.

£235.00
Add to basket
ON SALE
Slate Monolith SM17
Stone Monolith SM17

Stone Monolith SM17 is currently the largest, roundest and bulkiest stone monolith water feature currently in stock. This large garden boulder would lend itself well in a medium to large sized garden, as it could be a bit overpowering in a small design. Large sound quality pieces like this are becoming increasingly difficult to source in the quarry and the work that goes into cutting, sawing and moving these large pieces is extensive.

Large Reservoir Pack and LED Lighting available in the Basket.

£885.00 £859.00
Add to basket
Large Drilled Red Boulder
Large Drilled Red Boulder

Large Drilled Red Boulder for adding textures and colour to garden designs. This sandstone boulder is well rounded with a nice height that will add a splash of subtle colour to a border or rockery. It can be further enhanced with our garden accessories.

Small Reservoir Pack and LED Lighting available in the Basket.

£185.00
Add to basket
Slate Monolith SM69
Slate Monolith SM69

Slate Monolith SM69 is a small lightweight drilled piece of Pembrokeshire Slate. This is quite a unique piece as it has angles down both sides, so I decided to core drill the hole right in the centre, to give an even flow down both sides. The subtle textures of real Welsh Slate are magnified on this beautiful piece, every side covered in unique natural stone detailing.

£175.00
Add to basket
Welsh Boulder 5
Welsh Boulder WB1

Welsh Boulder WB1 is a stunning gold Welsh water feature sourced from a quarry in North Wales. Core drilled up through the centre, it has a rounded edge on one side, a rugged natural cut on the other and a large sturdy base.

Small Reservoir Pack and LED Lighting available in the Basket.

£315.00
Add to basket
Quartz Boulder QB6
Quartz Boulder QB6

Quartz Boulder QB6 is a beautiful natural stone garden ornament, predominantly green in colour. This piece looks very modern and contemporary and is truly striking. It shines when water hits it and looks fantastic with evening lighting. An LED light could also be added to the drilled core outlet on request, to light up the fountain.

Reservoir Pack and LED Lights available in the Basket.

£200.00
Add to basket
Stone Monolith SM67
Stone Monolith SM67

Stone Monolith SM67 is a superb Portland Stone Monolith with natural rustic edges and faces. A light vibrant colour palette of Cotswolds creams and yellows. This is a rather large piece at 550 x 560 and has a gentle slope to it, aswell as some stunning Jurassic Coast colours running throughout the top surface. This has been core drilled as a water feature, accessories are available in the basket.

We made a short video of the water flowing over this one as we loved the gentle, soothing run of water so much.

£475.00
Add to basket
Quartz Boulder QB2
Quartz Boulder QB2

Quartz Boulder QB2 is full of amazing colours with greens, whites and yellows glistening throughout the natural stone. This piece is truly beautiful, lighting up when the water hits it and with additional third party LED lights on at night will look fantastic. An LED light could be added to the drilled core outlet which would also increase the appeal.

£500.00
Add to basket
Garden Water Boulder Water Feature 2
Boulder Water Feature BWF1

Boulder Water Feature BWF1 is a natural stone garden ornament, core drilled to make a stunning water feature. This boulder is a little bit trick, it looks a really big lump from the front but it is actually quite narrow, which saves the weight and makes this much more manageable to move around.

This would make a real statement in both a modern garden or a more traditional rustic style due to it’s soft Cotswolds creams and greys. Lighting would also enhance this feature, the water sparkling in the evening light as it cascades down the natural stone.

Small Reservoir Pack and LED Lighting available in the Basket.

£369.00
Add to basket
Stone Monollith SM65
Stone Monolith SM64

Stone Monolith SM64 is a superb Portland Stone garden feature with natural rustic edges and faces and a light vibrant colour pallete of creams and off whites. The top has been carefully chiseled to create a waterfall effect with the front being at a lower level, so water cascades and flows down following its natural course.

Large Reservoir Pack and LED Lighting available in the Basket.

£350.00
Add to basket
Quartz Boulder QB3
Quartz Boulder QB3

Quartz Boulder QB3 full of amazing colours with greens, whites and yellows glistening throughout the stone when the water hits it.

Small Reservoir Pack and LED lighting available in the Basket.

£200.00
Add to basket
Stone Monolith SM58
Stone Monolith SM58

Stone Monolith SM58 is a superb Purbeck garden ornament with natural rustic edges and faces. The light vibrant colours of Cotswolds creams and yellows mean this piece will suit a variety of settings. This monolith has been core drilled and with our Small Reservoir Pack can be transformed into a magical garden water feature.

Small Reservoir Pack and LED Lighting available in the Basket.

£425.00
Add to basket
Quartz Boulder QB4
Quartz Boulder QB4

Quartz Boulder QB4 has a volcanic, mountainous shape and a shiny green colour which glistens when water hits it. This garden stone is a perfect water feature for a compact garden design.

Lighting and Small Reservoir Pack available in the Basket.

£200.00
Add to basket
Stone Monolith SM65
Stone Monolith SM65

Stone Monolith SM65 is a superb Portland Stone garden ornament with natural rustic edges and faces, in Cotswolds style cream, white and pastel yellow. This is a rather large piece at 600 x 450 and where it’s rather flat it creates a pool of water on the surface and the water takes much longer to cascade down the edges, resulting in a bird bath style feature on top.

Large Reservoir Pack and LED Lighting available in the basket.

£425.00
Add to basket
Small Quartz Boulder
Small Quartz Boulder

This beautiful Small Quartz Boulder is core drilled to allow for water flow and will be a stunning water feature in a compact garden design. This boulder is well rounded so will create a nice even fall. It’s not too big which saves the weight and makes this much more manageable to move around. The multi coloured tones of quartz are shown off wonderfully in the this natural stone garden ornament.

Small Reservoir Pack and LED Lighting available in the Basket.

£135.00
Add to basket
Stone Monolith SM33
Stone Monolith SM33

Stone Monolith SM33 is a small but absolutely stunning granite boulder with a mountainous, volcanic feel to it. If you’re looking for a feature to sit next to, listen and relax by in a small garden design, then this piece is absolutely perfect.

Small Reservoir Pack and LED Lighting available in the Basket.

£225.00
Add to basket
Slate Monolith SM18
Stone Monolith SM18

Stone Monolith SM18 is a colourful quartz style boulder with strong hints of white and darker shades randomly spread throughout. Water glistens and bounces off the stone as it falls down the faces. Lighting will make a massive dramatic impact on this for enhanced evening garden enjoyment.

Large Reservoir Pack and LED Lighting available in the Basket.

£485.00
Add to basket
Slate Monolith SM46
Slate Monolith SM46

Slate Monolith SM46 is not a normal Monolith in the sense of a tall, slender monolithic stone, but a delightful wide rectangular boulder style water feature with a sloping face which the water cascades down effortlessly. The large horizontal top face creates a lot more interest than a vertical monolith, as the water falls much slower and creates mesmerising patterns across the natural stone.

£499.00
Add to basket
Slate Monolith SM47
Slate Monolith SM47
Slate Monolith SM47 is a striking garden ornament with real presence, hand selected from a Pembrokeshire quarry. With striking colours running throughout Slate Monolith SM47 would work equally well as a working water feature or just a rockery style boulder.
Please note:
– This monolith is undrilled. It can have a 35mm diameter hole on request (for water flow) but only lying horizontally.
– It could be stood up as a vertical monolith, however the base it is not sawn so it would require a significant concrete base for stability.
£300.00
Add to basket
Slate Monolith SM71
Slate Monolith SM71

Slate Monolith SM71 is a nice lightweight piece of real Welsh Slate full of angles and core drilled at the highest, central point. A very clean stone with a distinctively shaped top that allows a nice natural flow of water to cascade down the faces, with our additional Reservoir Pack. The subtle textures of real Welsh Slate are magnified on this beautiful piece, every side covered in unique natural stone detailing and colour.

Small Reservoir Pack and LED Lighting available in the Basket.

£215.00
Add to basket
Quartz Boulder QB5
Quartz Boulder QB5

Quartz Boulder QB5 is a clean white glacial stone core drilled as a water feature, a truly unique garden ornament. This piece looks very modern and contemporary, lighting up when the water hits it’s faces and will look fantastic with lights on at night.

LED lighting and Small Reservoir Pack available in the Basket.

£175.00
Add to basket
Stone Monolith SM68
Stone Monolith SM68

Stone Monolith SM68 is a superb Portland Stone Monolith with natural rustic edges and faces. A light vibrant colour palette of Cotswolds creams and yellows. This is a smaller piece at 250x240mm which makes for easier transportation and has a nice slope to it. This has been core drilled as a water feature, accessories are available in the basket.

£300.00
Add to basket
White Boulder Water Feature WBWF1
White Boulder Water Feature

White Boulder Water Feature core drilled to make a stunning garden accessory in a compact, contemporary design. Perfect when placed in borders or rockeries to add organic natural stone and water vibes.

Reservoir Pack and Lighting available in the Basket.

£130.00
Add to basket
Portland Stone Boulder
Portland Stone Boulders

Portland Stone Boulders.  Price is per tonne.

Delivery additional and priced on each individual job. As a guide, upto 1 tonne delivered on a pallet = £65.

For larger stones delivered via a hiab depends on distance travelled, as a guide between £250 and £500 depending on distance.

Contact us now with bespoke requirements and we can supply a written quote.

£285.00
Add to basket
Boulder Water Feature Kit | Welsh Slate Water Features
Boulder Water Feature Kit

Build a customised Boulder Water Feature Kit! First choose either our Featured Boulder or add a Boulder from the Shop. Add additional accessories here. … Read More

FREE UK DELIVERY
Select options
Boulders crate
Boulders 450-650mm Crate

Bulk Crate of Boulders 450-650mm, ideal for adding texture and mixed colours garden designs and rockery features.

£290.00
Add to basket
Boulders 200mm 300mm
Boulders 200 – 300mm

Crate of Boulders 200-300mm in mixed colours, perfect for garden designs where additional tones and texture are required.

£290.00
Add to basket


Natural stone boulders by Welsh Slate Water Features are perfect for adding texture, accents and highlights to garden designs. They complement both modern and traditional themes, increasing the organic atmosphere in any landscape or outdoor living space.

Some boulders are purely ornamental and some are core drilled to allow for water flow. We also stock accessories to complete a garden water feature project and our guides How To Install A Water Feature and How To Build A Rockery both make useful reading.

All our garden boulders are completely unique pieces, ethically sourced solely from Welsh and English quarries, finished by hand in Ioan Raymond's Southampton workshop. We pride ourselves in presenting the finest quality natural stone boulders, rocks and water features for gardens, patios, borders and commercial outdoor spaces.

Delivery is FREE for standard UK postcodes. Please Contact Us for shipping quotes to remote postcode areas and for international delivery pricing.