Granite Boulder GB21 is a beautiful cream and orange granite boulder, core drilled as a garden design water feature.

Reservoir & Pump 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
Dimensions320 × 280 × 210 mm

Granite Boulder


Decorative Stone, Garden Border, Pond Accessory, Rockery, Water Feature


Cream, Orange, 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 GB21 was chosen by hand for it’s unique cream and orange tones which will work well in Cotswolds style garden designs. All the faces of this medium sized boulder have beautiful natural detailing and riven textures. The photos are of the exact decorative stone for sale and there is only one available. With the addition of our Small Reservoir Pack this boulder is transformed into a stunning self contained water feature.

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