Links

Walk ideas
Walking in England  free walks to download plus guidebooks and maps arranged by area 
Chilterns AONB  walk ideas in the Chiltern Hills 
Walk It  urban walk planner (may be useful for evening walks) 
Walking Britain  you can search for walks by county
Ramblers Find a Walk  searchable library of routes
London Hiker advice on hiking for Londoners
Green Chain  explore open spaces in South East London 
Walking Routes  links to different websites containing walking routes 
Walking Englishman  a free resource for walking in Great Britain 
Happy Hiker  walking routes 
Walks and Walking  walking routes and product reviews 
Trekking Britain  walking routes in Britain 
Out of the Loop walking routes easily accessible by train from London
In and around London walks leisurely walks in and around London
walking uk  information on walking groups and walks
Fancy Free walks detailed instructions for 300 walks in London and surrounding areas
London Footprints a detailed resource for walks in London
English Walks walks for learning English in London
Carfree walks  instructions, maps and GPX files for UK walks
ifootpath a library of digital walking guides for the UK
WalkaroundLondon a library of digital walking guides for London
AA Walks and rides more than 1,500 routes across Britain
SWC Walks  public transport friendly walk descriptions with GPS data
About Britain - London country walks pdfs of walks easily accessible by train
We go places - 27 country walks near London
Walk London - beautiful walks across Greater London

Cycling ideas
Bikehub Information about cycling and cycle routes
Cycling UK charity supporting UK cycling (formerly CTC)
London Cycle Campaign compaigns, supports and promotes cycling in London
Cycle hire in the UK UK cycle hire directory
Cycle route resource for cyclist sharing recommended routes
GPS cycle and walking routes routes covering the NCN and national trails
Cycletourer information about cycle touring in UK and Europe.
Europe Bicycle Touring information about cycle touring in England and parts of Europe
Bike Tour Finder Tool for finding cycle touring holidays
Routeyou walking and cycling GPS routes (mainly Europe and North America)
Fietsroute detailed descriptions and GPS for cycle routes in Belgium

Maps 
3000 Plus  maps of mountains over 2,000ft in England and Wales (and 3,000ft in Scotland) 
Magic Mapping  interactive mapping which shows just about everything (stuff Google!) 
Maps of Liguria walking, mountain ing biking and other outdoor maps of Liguria
Open Cycle Map based on Open Street Map but with cycle paths and footpaths as well
Ordnance Survey  maps of Britain, searching for place names and much more
Old Maps  free historic maps


Walking or cycling GPS route planning tools
Plotaroute free route planner for walking, cycling, running and more (GSM, OSM with footpaths and cycle paths)
GPXeditor free route planner for walking and cycling (OS, OSM or OCM). 
BikeHike free route planner (OS, GSM or OCM)
Maplorer allows you to display a map from a GPX and to share it using a link

Luggage transfer for multi-day walks and cycle tours
Sherpa Van Project  luggage transfers for walkers
Luggage Transfers  luggage transfers for walkers
The Walkers Friend luggage transfers for walkers and cyclists
Move my bags luggage transfers for walkers
The pathway porter luggage transfers for walkers and cyclists in Ireland


Other outdoor-related sites
Lee Valley Regional Park  country park stretching from East London to Hertfordshire and Essex
Sustrans  charity promoting sustainable transport by bike, on foot or by public transport
National Trails  long-distance footpaths including news of path closures and diversions 
Geograph see photos of a specific location 
Been there done that an unofficial guide to Great Britain 
The Relative Hills of Britain information about different types of hills and humps

Accomodation for Trips
YHA Youth Hostels  official youth hostels in England and Wales 
Group Accommodation  a selection of accommodation suitable for groups 
Independent Hostels  a fairly comprehensive guide to independent hostels in the UK
HostelWorld  a selection of independent hostels 
Bunkhouses in Wales  a selection of hostels in Wales 
Woodcraft Folk  outdoor centres available to other groups 
National Trust bothies and bunkhouses  basic accommodation in National Trust buildings 
Lakeland Camping Barns  bunkhouses in the Lake District 
Big Domain  big houses suitable for groups 
House Parties  more big houses suitable for groups 
Home Away  a selection of holiday cottages, etc

Yorkshire Holiday Cottages a selection of accommodation in the Yorkshire Dales and Moors 
Quirky Accomodation  unusual places to stay
Champing "camping" in ancient churches to support the Churches Conservation Trust
Tower Windmill stay in a windmill built in 1816, now owned the National Trust
Old stables bunkhouse converted early Georgian Stable now a bunkhouse (Kent)
Friends of the bicycle accommodation for cycle touring (mainly Holland & Belgium)
Field Studies Centres hostel accommodation in the UK
Vrienden op de Fiets Network of private homes for cyclists, walkers etc to stay on trips



Useful London sites
Transport for London  how to get around London
Ianvisits more unusual places and events in London
Londonist things to see and do in London
Oyster Rail  independent guide to how to use Oyster
London wildlife Trust protects London's wildlife and wild spaces

Other useful UK sites 
National Rail  timetables and fares 
Showbus  directory of bus timetables across the UK
Foreign Office  advice on travelling abroad
English Heritage  government body looking after historic places 
National Trust  charity looking after places of historic interest and natural beauty 
The Conservation Volunteers  charity that reclaims green places
Campaign to Protect Rural England  charity campaigning for a better future for our countryside
Woodland Trust  woodland conservation charity 
Man in Seat 61  international train and ferry travel 
WhereCanWeGo Britain's What's On Event Guide

Barn Dances, Ceilighs etc 
Step and Turn Single folk dancing listing site
Webfeet UK folk dancing information site
Are you dancing UK dance listing website