Slate Monolith SM22 is a incredibly eye catching stripey Welsh Slate mill stone cored as a water feature. The stripes in this are stunning and run throughout the stone, varying shades of green from dark to light. A truly unique natural stone ornament, this piece is best suited to a small garden design.

LED Lighting and Small Reservoir Pack available in the Basket.


1 in stock

Dimensions240 × 240 × 140 mm

Cream, Green, Grey


35mm (water flow)


Welsh Slate

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.

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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, although we should highlight that in over 7 years in business we are yet to have one single product returned.

Delivery & Returns Info

Lighting and Accessory Packs are available in the Basket when purchasing ANY stone water feature.

Accessories for Welsh Slate Water Features


Mill stones are commonly found as ornaments in traditional cottage gardens, and it’s rare to find a beautiful piece such as Slate Monolith SM22 that bridges the gap to cutting edge contemporary garden designs. This hand selected and crafted small natural stone garden water feature would give a flash of unique colour to any small townhouse or terrace garden, ideally situated within view of the patio table and chairs for maximum enjoyment.