• Long Distance Walkers Association
• Hill Bagging (DoBH)
• GPS refs of the tops (Phil Newby)
• Hill summit areas - photographs
• HappyHiker

• Outdoor Writers and Photographers Guild
• Ordnance Survey
• Forest of Bowland AONB
• NorthPennines AONB
• Dartmoor National Park
• Lake District National Park
• North York Moors National Park
• Northumberland National Park
• Peak District National Park
• Snowdonia National Park
• Yorkshire Dales National Park
• Backpackers Club
• British Mountaineering Council
• Canal and River Trust
• Scottish Canals
• Camping & Caravanning Club
• Council for the Protection of Rural England
• Council for the Protection of Rural Wales
• Countryside Council for Wales
• Countryside Stewardship Scheme
• Cyclists' Touring Club
• English Heritage
• Environment Agency
• Field Studies Council
• Forestry Commission
• Friends of the Lake District
• Mountain Bothies Association
• National Trust
• Natural England
• National Trust for Scotland
• Open Spaces Society
• Ordnance Survey
• Ramblers' Association
• Royal Geographical Society
• Royal Society for the Protection of Birds
• Snowdonia Society
• Woodland Trust
• Youth Hostels Association

• UK web Directory
• Wilmslow (Cheshire)
• Aspects of Exmoor
• Irish mountains
• The Highlands
• Walking forum