Slate Monolith SM40 is full of amazing colours and stripes across the face and will make a stunning garden ornament. At 780mm tall this standing stone is a large feature piece that will catch the eye in it’s forever garden. It lights up wonderfully when the water flows across the faces and can be further enhanced with evening lighting.


1 in stock

Dimensions570 × 180 × 780 mm

Black, Blue, Grey, Plum


Welsh Slate


35mm (water flow)


Decorative Stone, Standing Stone, Water Feature

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

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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 SM40 is a Welsh stone monolith suitable for both traditional or contemporary garden designs, core drilled as a water feature and bursting with streaks and stripes across the face. This one of a kind decorative stone is a truly wonderful piece and will enhance any landscaping project. Delivery can be arranged with our courier, alternatively this can be collected from the workshop, strictly by appointment only. If this isn’t the right natural stone garden ornament for you, please browse our online garden features shop or get in touch if you need something to specific requirements. With over 50 garden stone monoliths in stock, Welsh Slate Water Features offer the most unique hand selected range of real Welsh Slate garden products in the UK.