Next step
A free on-site visit.
We look at the garden, the access and the ground, and turn that into a written fixed-price quotation. No obligation, no cost, no sales pressure.
Next step
Plan your own piece of holiday.
Send us a few basics about your garden, the size you have in mind and the style. We will come back with a first assessment of feasibility, budget, build time and permits.
Natural pools from a single source, from the shore to stillness.
Official Bio.design partner for eastern Switzerland and the German-speaking region. From excavation to terrace.
Köhn Gartenbau AGWegenstrasse 249436 BalgachBio.design contactSandro Etter079 286 34 21s.etter@koehn-gartenbau.ch© 2026 Köhn Gartenbau AG · Bio.design technology: Biodesign S.p.A., ItalyImprintPrivacyAI transparency