Granite Boulder GB15 is a water feature in soft subtle grey tones with streaks of white quartz right through the stone. Photos are of the exact boulder and there is only one available.

Reservoir & Pump 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
Dimensions280 × 230 × 120 mm

Granite Boulder


Garden Border, Patio, Pond Accessory, Rockery, Water Feature


Cream, Grey, White


30mm (water flow)

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

Granite Boulder GB15 is part of our Small Boulders collection, and is a neat compact size to suit a small or medium sized landscaping project. It would be a beautiful centrepiece in a border, rockery or patio edging. Our Reservoir and Pump pack transforms this decorative stone into a magical water feature.

Contact Us