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

Dimensions600 × 360 × 130 mm



Pembrokeshire Slate


35mm hole for water flow


Decorative 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

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

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.