Stone Monolith SM158 is 600mm tall garden water feature, hand crafted from a single granite boulder. With soft subtle greys, creams & yellows on all faces this decorative stone is the perfect focal point for a small to medium sized landscaping project.

Reservoir & Pump 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
Dimensions450 × 230 × 600 mm

Welsh Granite


Decorative Stone, Standing Stone, Water Feature


Cream, Grey, White, Yellow


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

Stone Monolith SM158 is a granite boulder with a lovely natural shape. Core drilled vertically to allow for water flow, this medium stone monolith also has lovely soft tones that would suit a traditional Cotswolds style garden design. Alternatively it could work well to add texture in a more contemporary landscape.

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