- National Trust http://www.nationaltrust.org.uk/main/ National heritage charity with large areas of open access nature reserve on the Downs as well as many historic properties open to the public.
- Natural England http://www.naturalengland.org.uk Government Agency responsible for countryside matters, including overall responsibility for National Trails.
- Owens Cycles http://www.owenscycles.co.uk 22 Lavant Street, Petersfield, GU32 3EW. Tel: 01730 260446. Offers a Mountain Bike buy back scheme. Bikes must be purchased at full retail price, but can be returned for a refund of the purchase price less a hire fee.
- Parham House & Gardens, near Storrington http://www.parhaminsussex.co.uk Outstanding Elizabethan House and gardens
- Per-Rambulations http://www.per-rambulations.co.uk/ Guided walking specialists and organisers of the South Downs Way 'In Stages' annual walk.
- Queen Elizabeth Country Park http://www3.hants.gov.uk/qecp 2,000 acre Country Park in Hampshire made up of the chalk downland of Buster Hill and forest which the South Downs Way passes straight through. Plus walking trails, MTB tracks and visitor centre.
- Ramblers Association http://www.ramblers.org.uk National group representing walkers’ interests
- RSPB http://www.rspb.org.uk National conservation organisation with a major nature reserve at Pulborough Brooks
- Rural Ways http://www.ruralways.org.uk Information on walking, cycling, and horse riding in the SE
- Saddle Skedaddle http://www.skedaddle.co.uk/product.asp?ID=56 Cycling holidays on the South Downs Way National Trail
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