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Caldera Basalt Carved Top 50cm Column Water Feature

Name: WaterFeatures
Address: Palatine Street, Denton, Manchester, M34 3LY
Telephone: 0161 375 1235
Price range: £££

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£499.00

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In stock

Only 3 left

12 Month Warranty

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Hand Carved Stone

50cm Height

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SKU

0639767163217

Complete the look

Caldera Basalt Carved Top 50cm Column Water Feature

£499.00

Package of Algae Prevention Solution and a fountain cover.

Water Feature Maintenance Kit (Small)

£55.00

One LED Light Ring

£59.00

40kg Decorative Pebbles

From £70.00

Anti-Pebble Fall Grid Cover

£25.00

£708.00

Complete the look

Caldera Basalt Carved Top 50cm Column Water Feature

£499.00

Water Feature Maintenance Kit (Small)

£55.00

40kg Decorative Pebbles

From £70.00

Anti-Pebble Fall Grid Cover

£25.00

Cerulean Drip Trio XL Planters

£649.00

£1,298.00

Aqua Moda Caldera / Natural Basalt

Caldera Basalt Carved Top Column Water Feature

A compact natural basalt column combining carved and polished surfaces to create changing water movement across a genuinely individual piece of stone.

Standing approximately 50cm high and around 15–20cm across, this Caldera brings vertical water movement into a more compact format than the larger 70cm version.

Water bubbles gently from the top before flowing down the basalt. Smoother polished areas encourage a cleaner cascade, while the carved sections interrupt the flow and create additional texture, rippling and movement.

Every feature is formed from natural basalt, so subtle variations in shape, size, surface character and colour make each individual column unique.

At a glance

50cm Approx. column height

15–20cm Approx. natural width

Natural Basalt Solid stone construction

Carved & Polished Contrasting surface finishes

Vertical Water Flow Changing cascade texture

Natural Variation Each piece is individual

66cm Pebble Pool Heavy-duty hidden reservoir

Suitable Pump Supplied with 10m cable

Natural basalt, contrasting textures and vertical water movement in a compact 50cm form. Approx. 50cm high / 15–20cm wide / Carved & polished basalt

Why choose the 50cm Carved Basalt Caldera?

Natural stone character in a more compact vertical format.

The 50cm version retains the changing textures and water movement of the larger carved basalt column while being easier to integrate into smaller borders, patios and courtyard spaces.

01 / NATURAL BASALT

Every piece is different

Variations in natural form, colouring and mineral texture give every basalt column its own individual appearance.

02 / TWO SURFACES

Carved meets polished

Alternating finishes create visual contrast and change the behaviour of the water as it travels down the stone.

03 / COMPACT HEIGHT

Approximately 50cm tall

A useful size where you want upright natural stone and visible water movement without the stronger scale of the 70cm version.

The carved basalt water effect

The texture of the stone shapes the flow.

Water is pumped internally through the basalt before bubbling gently from the top of the feature.

As it begins to cascade, polished areas encourage smoother, more continuous movement while the carved sections break the water into smaller streams and ripples.

Rather than creating a perfectly uniform curtain, the natural stone produces a more organic flow that changes around the column.

Top bubbling effect Water rises gently through the centre of the basalt.

Polished flow Smoother sections encourage cleaner, gliding movement.

Carved ripples Textured areas interrupt the cascade and create more visible movement.

Concealed return Water returns to the reservoir below and is continuously recirculated.

Two surface treatments

One stone, two distinctly different textures.

Polished Basalt

The smoother areas reveal more of the basalt's natural colour and allow water to travel in a thinner, cleaner layer with stronger reflections.

Carved Basalt

The more deeply textured areas catch the water and redirect it, creating additional rippling, shadows and changing highlights.

Compact natural proportions

Vertical enough to stand out without dominating the space.

At approximately 50cm high, this Caldera sits between lower natural basalt boulders and the taller 70cm carved column.

Its naturally varying width of around 15–20cm keeps the footprint relatively small while preserving the irregular appearance of genuine stone.

50cm Approx. overall height

15–20cm Approx. natural width

66cm Heavy-duty pebble pool diameter

Solid natural basalt

Dark volcanic stone made richer by moving water.

Basalt naturally displays charcoal, black and earthy brown tones, with individual mineral and surface variations running through each piece.

Carving and polishing selected areas exaggerates those differences, introducing both rugged texture and smoother reflective stone into the same feature.

Once the water begins to flow, the darker colours become noticeably richer and the different finishes become easier to distinguish.

Each Caldera is naturally individual

Exact width, shape, colouring, surface markings and texture vary from stone to stone. The stated dimensions are approximate because this is genuine natural basalt rather than a moulded product.

Compact natural stone focal point

Particularly useful where the larger 70cm column would feel too dominant.

The 50cm format makes this version easier to position within smaller planted borders, gravel areas and patios while still giving enough height for the moving water to remain clearly visible.

Its dark natural colouring provides strong contrast with green planting, while the irregular stone prevents the feature from appearing overly formal.

Use it individually as a compact focal point or combine it with other basalt pieces to create a larger natural stone composition.

Smaller patios

Planted borders

Gravel gardens

Courtyard spaces

Naturalistic landscaping

Grouped basalt displays

Concealed in-ground installation

Hide the reservoir and let the basalt appear naturally positioned within the garden.

The supplied 66cm diameter heavy-duty pebble pool installs below the finished surface, keeping the working water system hidden beneath the landscape.

Choose the position

Select a firm, level location with suitable access for the supplied water pump.

Excavate

Prepare the opening required for the supplied 66cm diameter heavy-duty pebble pool.

Level the reservoir

Install the reservoir securely and ensure it sits level below the finished landscape surface.

Install the pump

Position the suitable pump within the reservoir and connect the water feed to the basalt column.

Prepare the support

Ensure the support area is firm and suitable for the solid natural stone feature.

Position the basalt

Carefully centre and level the natural stone above the concealed reservoir.

Finish the surface

Conceal the reservoir with decorative pebbles while retaining suitable access for pump maintenance.

Fill & enjoy

Fill the reservoir and start the pump. Water bubbles from the top before flowing across the carved and polished stone.

No permanent water supply required The Caldera uses a self-contained recirculating water system, so no permanent plumbing connection is required. The supplied pump has a 10m cable. Simply top up the reservoir periodically to replace water lost through evaporation and splash.

Complete water feature kit

Supplied with the main components required for installation.

50cm Natural Basalt Column Individual carved and polished basalt feature measuring approximately 50cm high and 15–20cm wide.

66cm Heavy-Duty Pebble Pool Concealed underground reservoir for the self-contained recirculating water system.

Suitable Water Pump Recirculating pump matched to the feature and supplied with a 10m cable.

Self-Contained System Water continuously circulates from the hidden reservoir, through the basalt and back below.

Decorative pebbles are available separately, allowing the reservoir to be concealed beneath a finish chosen to complement the basalt and surrounding landscape.

Basalt transformed by water

Water deepens the colour and brings the contrasting textures forward.

When dry

The basalt shows softer charcoal, black and brown tones, with polished and carved areas distinguished by their contrasting surface textures.

When wet

The stone becomes noticeably darker. Polished areas develop more sheen while carved sections create stronger shadows, highlights and broken water movement.

Explore Aqua Moda Caldera

Natural and architectural water features in basalt, granite, sandstone and Corten.

Explore the wider Caldera collection for alternative basalt finishes, stone forms, heights and water effects, including the larger 70cm carved basalt column.

View Caldera Collection

Aqua Moda personal consultation

Choosing between the 50cm and 70cm basalt Caldera?

Our water feature specialists can help you compare heights, natural stone finishes, positioning and concealed reservoir installation to find the right scale for your garden.

Visit our Manchester showroom by appointment or arrange a complimentary virtual consultation.

Book a Personal Consultation