Stone Monolith SM151 is a 550mm tall tower of Welsh granite, core drilled to allow water to flow over the whole piece. This piece was chosen for it’s beautiful blend of creams, greys and light oranges and there is only one available.

Large Reservoir 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
Dimensions250 × 180 × 550 mm

Welsh Granite


Decorative Stone, Standing Stone, Water Feature


Cream, Grey, Orange


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

With a neat footprint of 250x180mm Stone Monolith SM151 is the perfect water feature focal point for a small or medium sized garden design. Landscaping rocks of this quality are rare and highly desirable in UK gardens. With our Reservoir & Pump pack, available in the basket when purchasing, this natural stone is transformed into an amazing water feature.

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