Slate Monolith SM156 is a premium feature stone water feature for use as a centrepiece in a garden design or landscaping project. The shape, detailing and colours on this stone are all incredibly beautiful and it will certainly be a talking point in it’s forever garden.

Reservoir & Pump available in the basket.


1 in stock

Dimensions500 × 250 × 1100 mm

Welsh Slate


Decorative Stone, Standing Stone, Water Feature


Blue, Fools Gold, Grey, White


30mm (water flow)

Our blog contains an extensive guide for how to install a water feature.

Includes a detailed step by step and the recommended accessory products.

Installation Guide

FREE SHIPPING to standard UK postcodes.

Contact for remote area and international shipping quotes.

Contact Us

Delivery is usually within 5 working days, although we can hold stock for short amounts of time (birthday gifts, as one example – buy now and arrange a later delivery). 

Ioan aims to deliver most large pieces in person, although we do use a trusted & insured courier for smaller items, some exceptions and hard to reach locations. Standard consumer rights apply.

Delivery & Returns Info

Slate Monolith SM156 stands at 1100mm tall and is a truly spectacular piece of real Welsh Slate. There are too many beautiful elements on this piece to mention, please view the photographs carefully as this is the exact decorative stone for sale and there is only one available. The monolith has a flat sawn base for stability and is core drilled vertically to allow for water flow. A reservoir pack is required to complete the water feature functionality, our self contained reservoir + pump pack is available in the basket when purchasing this large slate monolith.