REQUEST AND BOOKING 

Request and booking

Your holiday at the ADLER Spa Resort THERMAE is just a few simple steps away. Book directly here at the best price if you know your preferred dates or send us a request if you just wish more information.
RequestBookingADLER FRIENDS BOOKING
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To all ADLER Spa Resorts & Lodges
Intro AFP HAT
Closer to nature 

ADLER for Planet

In the heart of Tuscany, surrounded by vineyards and thermal springs, ADLER THERMAE is deeply connected to the nature and culture of the Val d’Orcia.

Here, sustainability means preserving the balance between people, landscape and tradition – for a sense of well-being that extends beyond the present moment.
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Our mission

ADLER for Planet represents a concrete expression of our responsibility towards the territory, the people and the traditions of the Val d’Orcia.
Our mission is to create a place where well-being, nature and local identity can coexist in harmony.

We promote local value creation, adopt a conscious use of resources and develop forward-looking solutions that respect the unique character of this landscape.
Short supply chains, innovative energy concepts and targeted investments in environmental and social initiatives are key elements of our commitment.

In this way, we combine contemporary comfort and authentic enjoyment with a responsible vision – for today, for the region and for future generations.

Our EarthCheck Certification

Since 2024, ADLER THERMAE is certified by EarthCheck, one of the world’s leading international standards for responsible tourism, recognised by the Global Sustainable Tourism Council (GSTC).

This certification confirms compliance with rigorous, measurable criteria and serves as a benchmark for the continuous improvement of our environmental performance.
Independent annual audits assess our activities in areas such as energy efficiency, water management, waste reduction and regional value creation.

The EarthCheck programme supports us in translating responsibility into structured and verifiable processes, helping to maintain a long-term balance between operational efficiency, cultural identity and environmental awareness.
Citation AFP Anton Pichler
The Val d’Orcia is an integral part of our identity and of the responsibility that guides us every day.
Amid thermal springs, vineyards and timeless landscapes, we strive to shape a form of hospitality that respects and preserves what makes this place unique.

For us, sustainability means using resources consciously, strengthening local supply chains and shaping a balanced future together with the people of the region.

With ADLER for Planet, we aim to contribute to a form of tourism that unites quality and respect, and that gives lasting value back to this unique region.
 
Caring for what truly matters
Environmental and resource management
Thinking ahead, acting responsibly
Infrastructure & Systems
Our guide toward a responsible future
Values & Commitment
ADLER FOR PLANET 

ADLER Stories

We care for what we love

ADLER FOR PLANET
News

Green Gold - what you need to know about olive oil

The Tenuta Sanoner started, beside the production of AETOS wine, also the production of AETOS olive oil.

Focaccia, Ciabatta, Grissini ...The miller and the ADLER Thermae

The extensive assortment of bread in Bagno Vignoni has a legendary reputation among our guests and is unique for an “Italian” hotel. How it came to be that the bread is baked fresh daily, and where the flours come from, tells a great deal about ADLER’s attention to quality.

The jewel in the vineyard

The young Tenuta Sanoner winery produces biodynamic wines which reflect the character and beauty of Tuscany.