Community Science Volunteer days

Big or small, any contribution of your help is valuable. Our community science volunteering activities enable you to learn about carbon sequestration and to get involved in tagging and cataloguing trees, and collecting data for environmental scientists. All our community science events require you to sign up in advance. To be notified automatically about community science opportunities, please sign up here.

Before you come on site

Please download the App

If you have a smart phone, please follow the instructions sent by email to download and install The Carbon Community Tree Tagging app onto your smart phone. Please take a moment to familiarise yourself with the app.

Download the app user guide

A visual guide to tree tagging

Please read the guide to tree tagging and read in advance. We will give you full training on site, but reading in advance will help with some key skills, such as measuring using a vernier scale caliper and tree classification. You do not need to bring a copy of this guide - we will provide all equipment you need onsite, except for your smartphone.

Download the guide to tree tagging here

Joining instructions

What to wear

The Glandwr Forest site is approximately 220m / 720ft above sea level and can be exposed to windy conditions. In a typical day, you might see low cloud cover, wind, rain and sun. We recommend the following:
• Clothing suitable for working outdoors
• Walking boots or wellington boots
• Long trousers (essential in the long grass)
• Sun hat & sunscreen
• Long sleeve shirt for sun protection (recommended)
• Waterproofs / windproof layer

What to bring

• Food & Drink – Please bring your lunch, snacks and drinks for the day. We recommend a minimum of 2L of water. There are no food facilities on site.
• Smartphone, fully charged, and if you have it a portable power pack – there is no electricity on site.
• Bug spray (optional).
• If you normally carry an epi-pen for severe allergies, please ensure to bring it with you.


We will be following all Welsh government Covid guidelines. All activities will be outdoors and a Covid safety briefing will be held at the beginning of the session. If you have Covid symptoms or have been asked to self-isolate by NHS test & trace, please do not attend the event.

Arrival by car

Our address is: The Carbon Community, Glandwr Forest, Cynghordy, Llandovery SA20 0LW. Once you reach Cynghordy, follow the road under the viaduct. We are the first turning on the left over a small green bridge. You will see signed for The Glandwr Forest and Penlan at the bridge.

Please do not come to the site without an appointment or first registering for one of our events.

Arrival by train

Cynghordy station is a request stop. From the train station, it is approximately 1.5km to walk to the site. The earliest train from Swansea arrives at 10:46 on Saturday, 12:43 on Sunday and 11:01 on Monday. We will have a session specifically for those arriving by train, don’t worry you won’t miss out! If you are travelling via train, please email us at and we can arrange to collect you from the station or send you walking directions.

Useful tips

La Patisserie 2 High St, Llandovery SA20 0PT is a wonderful local bakery with made to order sandwiches.
Co-op supermarket High St, Llandovery SA20 0RA is open from 6:00 – 22:00 Monday through Saturday and 10:00 – 16:00 on Sunday.
There is no public camping on The Carbon Community site. There are a number of nearby campgrounds within easy access.