• Long Distance Walkers Association
• UK Backpackers Club
• Harrow & Wembley Outdoor Group (another YHA local group)

Other walking, cycling or other outdoor related sites

• Jack Wolfskin Outdoor Wear
• Walking Forum
• London Wildlife Trust
• National Trails in the SE
• South East London Green Chain
• Natural England
• Youth Hostels Association
• World-Outdoor-Web (UK)
• The Great Outdoor Recreation Pages (USA)
• Lee Valley Regional Park

• Blue Dome

• Long Distance Footpaths
• Field & Trek
• Compass Companion
• Sustrans
• Marathon Runners Diary
• About walking

Useful London sites

• Time Out London
• Transport for London
• London Theatre Tickets
• London travel guide

• Lost London Street Index

• Disused stations on London's Underground
• London Railways.net
• London listings

Other useful UK sites

• Youth Hostel closures
• National Rail travel information
• Trainline.com
• UK coach & bus services directory
• Travelgate
• Easyjet
• Ryanair
• Expedia
• Foreign Office travel advice
• English Heritage
• British Trust for Conservation Volunteers
• Council for the Protection of Rural England
• Streetmap
• Ordnance Survey UK place names search
• Free historic maps
• Accommodation advice
• Multi-search engines
• Amazon

Another Clog site

• A Clog making factory in Yorshire !