Setting the new standard for sustainable aquaculture
Delivering salmon that is pure, fresh, and responsibly raised.
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At Swiss Lachs, we raise Atlantic salmon with exceptional care, proving that truly healthy food comes from truly responsible aquaculture.
We are Switzerland’s first salmon farm and one of the most sustainable aquafarms in the world. For more than ten years, we have been raising pure Alpine salmon in the heart of the Swiss Alps, with precision and in harmony with nature. Our methods protect the environment, support healthy growth, and deliver pure, nutritious food you can trust.
Salmon Raised in Nature’s Purest Conditions
Our salmon grow in pure Alpine mountain water for nearly two years. Free from additives, antibiotics, hormones, and microplastics, they live as nature intended, swimming against a continuous current in calm, pristine conditions that mirror their life in the wild.
These controlled living conditions create a harmony between innovation and nature, ensuring the well-being of each fish while protecting the delicate balance of our environment.
PARASITE FREE 
ANTIBIOTIC FREE 
MICROPLASTIC FREE 
MERCURY FREE 
STRESS FREE
PARASITE FREE
ANTIBIOTIC FREE
MICROPLASTIC FREE
MERCURY FREE
STRESS FREE Around the Clock Care for Perfect Quality
Our team lives close to the farm, watching over the fish day and night. Every oxygen level, temperature change, and water flow is monitored with care. If something needs attention, we are there immediately.
This constant presence keeps our salmon calm, healthy, and stress-free, and it shows in their texture, flavor, and vitality.
Explore Swiss Lachs Recirculating Aquaculture System
Open-Net Sea Farming
Land-Based Recirculating Aquaculture
How they compare
Open to the surrounding ocean. Pollution, microplastics and algal blooms can pass through freely.
Pure Alpine mountain water, continuously filtered through seven stages.
Sea lice are a constant challenge in open nets, often treated with chemicals.
Our closed system keeps parasites out — no chemical treatments needed.
Used as needed to manage outbreaks and growth.
Zero antibiotics, hormones or chemical additives.
Affected by storms, predators and dense stocking.
Calm, pristine conditions year-round, with a gentle current that mirrors life in the wild.
Waste, uneaten feed and treatments enter the surrounding sea.
98% of our water is reused; waste becomes biogas and fertiliser. 100% powered by green energy.
Often limited by long, global supply chains.
Full traceability from egg to plate — all from our farm in Lostallo.
Purity you can taste
The way our salmon live shapes the way they taste. The crystal clear water and the serenity of their environment give them a clean, delicate flavor, naturally rich in omega 3 fatty acids, essential proteins, and vitamins.
We harvest only to fulfill orders, ensuring that your salmon reaches you within a single day.
Explore responsible aquaculture
Responsible Aquaculture, Circular by Design
Our recirculating aquaculture system is one of the most advanced in the world:
- 98% of our water is reused
- 7-step filtration keeps the water crystal-clear
- All organic waste becomes energy in a local biogas plant
Melted snow feeds the cycle, where salmon grows free from chemicals, antibiotics, or contact with the sea. Our closed-loop system prevents escapees and ensures zero impact on other marine life. Because the entire process is so resource-friendly, it reduces the need for fresh water to less than 2%, making it one of the most sustainable aquaculture systems in the world.
Explore salmon life
A Carefully Guided Two-Year Journey
Six times a year, we bring in salmon eggs from Iceland. Over the next two years, they grow into fully matured salmon, reaching their ideal size of 3.5 kilograms. Throughout their life, they swim freely against a gentle current created by our four propellers, building strength and developing naturally firm flesh. Their feed, produced in France, is free from ethoxyquin and made to the highest nutritional standards, supporting healthy, balanced growth.
We invite you to our home
Ever wondered how Swiss salmon is raised? Step inside our land-based farm and see where pure Swiss salmon comes to life. Watch our fish thrive in pristine, recycled waters and meet the people who care for them every day. Transparency isn’t just a promise, it is an open door.
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