50% of funds raised by the the event will be donated to Forus Tree, a worker's co-operative who have a tree nursery above Mytholmroyd with 50,000 young trees.

Their target for tree planting in the Upper Calder Valley and beyond is 100,000 trees in winter/spring 2025.

Forus Tree have over 20 years of tree planting experience and their aim is to reduce the effects of climate change and restore biodiversity. During their Friday volunteer sessions they share skills and knowledge, bring people together to enjoy Yorkshire's great countryside and contribute towards a more sustainable future.

The 2024 Source to Sea event donated £500 to ForUs Tree.