World Soil Day: Discover the Living Soil Beneath Your Feet
5 December 2026 - Celebrate World Soil Day with Mud Valley Foundation. Explore soil health, take part in hands-on activities, discover live soil microscopy, and learn practical ways to build healthier soil through composting.

5 December 2026

11am to 4pm
Quinta Vale da Lama, Odiáxere
Activities free of charge

Reasons to participate

Discover what makes soil healthy

Explore the hidden world beneath your feet

Learn how to build healthier soil

Turn knowledge into practical action

Program Schedule

🌐 All sessions and activities are in both Portuguese and English.

Learning and Doing sessions

There are two Learning and Doing sessions. Each features some brief educational presentations on soil-related topics to share knowledge, and then we will go outside for some interactive, hands-on discovery work so you can experience the practical side of working with soils. You can attend either or both sessions. There will be a short lunch break between them.

Engagement Area

The Engagement Area consists of stations with a variety activities and information that you can interact with at your own pace throughout the day.

Learning and Doing Sessions

Soil and Soil Health

🕑 11:00am – 1:00pm
  • Learn about what soil is and what it is made of, and why healthy soil is important.
  • Discover what “healthy” soil is, how it is defined and measured, and what we do with the information. We will share the 6 key metrics we use for measuring soil health.
  • After the knowledge sharing section, we will go outside and conduct soil sampling. This interactive session will allow you to get your hands dirty as you participate in the sampling. Be prepared to learn and then do!

Lunch Break

🕑 1:00pm – 1:30pm

Feel free to bring your own lunch. You can enjoy time exploring the beautiful surroundings of Quinta Vale da Lama during this time.

Composting and Creating Healthy Soil

🕑 1:30 – 3:30pm
  • Learn about how composting creates healthy soil and some of the different composting methods. See the results of some of the recent composting tests conducted by the Soil Lab of Mud Valley Foundation.
  • Discover how you can start composting at home.
  • You will take a tour of the composting area at Quinta Vale da Lama and gain insight into all the methods used here in the farm operations. Then, there will be a hands-on composting activity so you can have a practical experience working with compost!

Closing

🕑 3:30pm – 4:00pm

We will finish the day with a brief closing session and  answering any other questions you may have. This is also a great opportunity to visit the display and information tables we have set up at the facility.

Engagement Area

This is an area of tables and stations that share information about a variety of soil-related topics. The area is open continuously throughout the event, so you can explore and interact with it at your own pace.

 

🕑 11:00am – 4:00pm

Planned stations include:

 

  • Soil microscopy – Bring your own soil or compost sample and we will analyze it under a microscope. You will be able to see the living organisms in your soil!
  • Soil Lab tools and samples – See the equipment we use when we analyze soil.
  • Germination test results – We will presenting live results of a recent germination and seedling test to show how different soil and compost mixtures affect germination and growth.
  • Soil sample table – Did you know there is not just one type of soil in this part of the Algarve?  Examine some of the different soil types we have here and learn about each.
  • ECHO Soil Health program – Learn about this Europe-wide citizen science program focused on soil health.
  • How geology affects soil – Dr. Floris Calkoen will share some of his work  on how the geology of the western Algarve affects its soil.

About
World Soil Day

World Soil Day is held annually on 5 December as a means to focus attention on the importance of healthy soil and advocating for the sustainable management of soil resources.

95% of our food comes from soils;

There are more living organisms in a tablespoon of soil than people on Earth;

Over the last 70 years, the level of vitamins and nutrients in food has drastically decreased.;

33% of soils are degraded;

Up to half of our household waste could be composted to nurture our soil.

About Quinta Vale da Lama

Living and Learning Closer to Nature

Quinta Vale da Lama is a 43-hectare farm, featuring an organic market garden, applying regenerative agriculture and ecosystem restoration methodologies to improve soil quality, water availability, biodiversity, and local livelihoods.

It is also an active member of Ecosystem Restoration Communities, a group of 60 global hubs pursuing diverse restoration initiatives rehabilitating degraded lands to create flourishing ecosystems.

Quinta Vale da Lama is located in southwestern Portugal, overlooking the Atlantic Ocean and the mountains of the western Algarve.

Quinta Vale da Lama is a partner of Mud Valley Foundation.

How to Get Here

Click for Google Maps directions
Click for Google Maps directions
Questions? Email us: programs@mudvalley.org
Join us!

A few details to keep in mind

Who

All ages are welcome and you can bring others with you. Children will need to be supervised.

When: 5 December 2026

The first session begins promptly at 11:00am, so please arrive a little earlier. You can attend any session or activity you wish, and leave when you wish.

Where

We’ll meet at Novas Descobertas Association. Please park there. → Find it on Google Maps

What to bring

The educational sessions are indoors, but the hands-on activities are outdoors, so dress accordingly. Both outdoor sessions involve working in soil or compost, so gloves and appropriate clothes and shoes are recommended.

Any questions?

You can email us at programs@mudvalley.org

Register using the form below.

Register for the Soil Day Event

Register using the form below

Email
We will use this email to send you an updates about the session.
Which session are you registering for?
For groups of more than 8 people, please email us at programs@mudvalley.org.

GDPR Agreement

Your registration cannot be completed without your consent. See our privacy policy to learn about how we collect, process, and manage your data.

Email subscription consent - Mud Valley Foundation
By entering and submitting your details, you agree to join our mailing list. You can unsubscribe at any time.

With the support of:

Learn about Quinta Vale da Lama here.