- Butterfly Conservation http://www.butterfly-conservation.org/index.php
- Long Distance Walkers Association http://www.ldwa.org.uk
- National Trust http://www.nationaltrust.org.uk
- Ramblers Association http://www.ramblers.org.uk
- RSPB http://www.rspb.org.uk
- The Backpackers Club http://www.backpackersclub.co.uk/ Founded in 1972, the Backpackers Club is for anybody who enjoys lightweight camping. The aim of the club is to promote and encourage backpacking for the benefit of its members.
- Wildlife Trusts http://www.wildlifetrust.org.uk
- Woodland Trust http://www.woodland-trust.org.uk/
- YHA - England and Wales http://www.yha.org.uk