Cold plunge — 2025
Stone Plunge
Design intent
One of one
A single block of limestone, hollowed, filled, and left still.
Cold immersion is a nervous-system event. The vessel should not add noise to it — no acrylic, no gloss, no visible machinery.
Each plunge is carved from one block, so the water sits inside the geology of the place rather than on top of it.
Specification
Materials
- Solid quarried limestone, hand-chiselled bowl
- Concealed chiller and filtration, remote plant
- 316 stainless inlet and overflow, hidden below the rim
- Lime-based internal seal, food-grade
Dimensions
- 1750 × 1450 × 620 mm external
- Internal depth 520 mm, capacity approx. 780 L
- Rim thickness 140–220 mm, variable by hand
- Weight approx. 2,900 kg — structural review required
Craftsmanship
- The bowl is roughed by machine and finished entirely by chisel; tool marks are kept, not polished out.
- Rim heights vary intentionally so the water line reads as a horizon.
- Plant is located up to 12 m away so nothing audible sits beside the bather.
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