Slate Monolith SM48 is a large flat rounded landscaping stone bursting with natural colours. Hand selected from a quarry in South Wales, this horizontal stone water feature is perfect for a small or medium sized garden.

Small Reservoir Pack available in the Basket.


1 in stock

Water Feature Accessories

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

Small Reservoir Pack
Small Reservoir Pack

Reservoir, pump, hose, clip & flow valve regulator for completing small water features.

Add to basket
Slate Chippings SCB1
Slate Chippings Handy Bag

18kg of small mixed sized slate chippings.

Add to basket
Dimensions600 × 360 × 130 mm



Pembrokeshire Slate


35mm hole for water flow


Decorative Stone, Water Feature

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

This is a stunning colourful drilled slate water feature, please note the photographs show Slate Monolith SM48 when it is wet and it will dry a slightly lighter colour. This landscaping rock is full of stunning organic Welsh Slate colours. Delivery is via courier, alternatively this can be collected from the workshop, strictly by appointment only. Medium Slate Monoliths of this size and shape are getting increasingly difficult to source. For alternative decorative garden stones in stock please check the online shop. Alternatively, if you’re looking for a very bespoke feature stone then please contact us with your requirements. With over 10 years experience and a portfolio of quarries to choose from, we can find the right natural stone garden water feature for you.

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