Slate Monolith SM162 is a spectacularly large lump of real Welsh Slate measuring 700mm high and a staggering 700mm wide making this a heavy piece, core drilled vertically as a garden design water feature. This beautiful piece is mostly natural plum in colour, with hints of grey and blue. The natural contours and rugged edges will create real interest when the water flows down and cascades over the slate.

Reservoir & Pump Pack available in the basket.


1 in stock

Water Feature Accessories

Add a Large Reservoir Pack to complete the water feature functionality of this natural stone. Slate Chippings in hand 18kg bags are a popular accessory.

Reservoir Pack | Welsh Slate Water Features
Large Reservoir Pack

Reservoir, pump, hose, clip and flow valve regulator for completing medium and large sized water features.

Add to basket
Slate Chippings SCB1
Slate Chippings Handy Bag

18kg of small mixed sized slate chippings.

Add to basket
Dimensions700 × 350 × 700 mm

Welsh Slate


Standing Stone, Water Feature


Mixed, Plum


30mm (water flow)

FREE DELIVERY to standard UK postcodes, usually within 14 working days.

Contact us to discuss special requirements for delivery, remote postcode areas and international shipping quotes. Standard consumer rights apply.

Delivery & Returns

These additional products are required to complete a water feature installation: a reservoir, pump, hose & jubilee clips. All available to buy in the Basket when purchasing a stone pyramid.

Our blog contains extensive guides for how to install stone pyramids and water features, including a detailed step by step and links for the recommended additional third party products.

Stone Pyramid Install Guide    

Water Feature Install Guide
Slate Monolith SM162 measures approximately 7000x350mm and is 700mm tall, making it part of our Medium Stone Monoliths collection. The large width and height make this monolith rather heavy. This piece was chosen by hand for it’s shape and texture, both popular choices as water features for UK gardens. Please note the photos are of the exact decorative stone for sale and there is only one available.
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