Those behind the Actif Woods Wales project believe simply being out in the fresh air can help alleviate common medical conditions, including depression, diabetes and arthritis.
Woodwork, plant and animal identification and fire-lighting are just some of the activities on offer at sessions in Aberystwyth, Ceredigion and Rhondda Cynon Taf.
It's hoped the benefits of being outdoors will work alongside modern medicine to improve people's physical and mental health.
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It will be a dry and bright start, however scattered showers will develop.
Sporadic outbreaks of rain will spread to all areas overnight, perhaps with some heavy bursts at first before these ease.
Ron Jones survived Auschwitz and has supported the Poppy Appeal for over four decades. Today he celebrates his centenary.