At Casa do Rio, sustainability is not a trend.
It is a way of living, caring and respecting.
Being surrounded by river, trees and silence teaches us every day how important it is to protect what truly matters.
Proudly Biosphere Certified
Certification number: BAR 038/2023 RTI
Casa do Rio is proudly certified by Biosphere Sustainable / Biosphere Portugal.
This certification recognizes our commitment to responsible tourism, environmental protection, cultural respect and social responsibility.
For us, this recognition is not an end — it is a responsibility to continue improving.
The Biosphere certification evaluates sustainability in a broad and integrated way.
At Casa do Rio, this commitment is reflected in areas such as:
Responsible use of water and energy
Waste reduction and recycling practices
Responsible production and consumption
Awareness and education for conscious energy use
Respect for local culture and traditions
Support for local economy and services
Ethical and transparent management
Continuous learning and improvement
Sustainability is built through daily choices, not only through words.
Some of the sustainable practices recognized by Biosphere include:
Organic garden producing part of our own food
Recycling systems and waste separation
Eco‑friendly amenities and reusable products
Green spaces that reduce heat islands and support biodiversity
Casa do Rio lives in harmony with its natural surroundings.
We respect the river, the land and the rhythm of the seasons, avoiding practices that harm the environment whenever possible.
Nature is not a background here — it is part of our home.
We value local people, local knowledge and local traditions.
Whenever possible, we choose local services, artisans and producers, supporting the community that welcomes us.
We invite our guests to be part of this journey.
By respecting nature, reducing waste and caring for this space, every visitor helps preserve Casa do Rio for future generations.
Sustainability is not perfection.
It is awareness, responsibility and constant learning.
At Casa do Rio, we walk this path with humility, gratitude and care.
Casa do Rio is certified by Biosphere Sustainable under certification number BAR 038/2023 RTI.
Caring for nature is caring for ourselves.