'Explore a whole host of lesser-known gardens and green spaces in the capital with our series of walks and cycle rides.'

London Gardens Online

'London and Southeast England based walking and hiking club.'

The 'Map shows the London Boroughs not necessarily the London U3As. In most but not all cases the two coincide. London U3As are listed on the Our U3As page'.

U3A Regions

'Walking for Health is England’s largest network of health walks ... helping people across the country lead a more active lifestyle.'

'See a different side of London, discover parts new to you, and explore unexpected perspectives of well-known landmarks. Retrace the Civil War in the heart of the capital or be amazed at urban cultivation in Hackney’s residential neighbourhoods. Discover London’s green lungs or find one of the city’s many hidden rivers. Explore landscapes of power and global finance. All the walks have their surprises. '

The Royal Geographical Society (with IBG)

'Maps, tips and all the information you need to help you get around London during your visit ... Legible London is an easy-to-use signage system that presents information in a range of ways, including maps and directional information, to help people find their way. We're now working with boroughs, Business Improvement Districts and other organisations to expand the scheme further.'

Transport for London

'Join us for 20 mile day walks with a pub lunch in the country a train ride from London.'

[From the History of the Group] 'London Group? "After talking to several members in the London area it appears there may be scope for a London group. That does not mean walks around Piccadilly Circus, Big Ben and Waterloo Station. The idea would be to form a local group from members in the London region to walk, basically, wherever they want to. There is in fact a great deal of countryside around London, and considerably more just beyond. If anyone is interested please contact ...".

'Legible London is an easy-to-use signage system that presents information in a range of ways, including maps and directional information, to help people find their way ... Legible London is already working successfully across London, with more than 1,300 signs - half in central London and in nearly every London borough. Our research shows that nine out of ten people were keen to see more Legible London signs introduced.'

Transport for London

'We meet at least once a month usually for a walk of about 10 miles, enjoying the countryside within striking distance of London, or the more picturesque parts of London itself.'

'I write up for this site the walks I devise, lead & research and since I have been engaged in this since 1996 there are quite a number. Walks are listed by area ...'

Janet Digby

'London Tubewalkers are a group of people who are walking between all the stations, however instead of doing it on a line-by-line basis, they are doing it alphabetically. They are going at a very leisurely pace and you can join them on their walks.'

'London may be a big city but there are plenty of green, open spaces where you can see an abundance of wildlife or enjoy a range of sporting activities ... Enjoy a day out in London's great outdoors at one of the beautiful nature reserves and woodlands.'

Visit London.com

'The Lee Valley offers all kinds of walking in Hertfordshire, Essex and London. There are 26 miles of riverside trails to enjoy and quiet, car-free walking routes through nature reserves and peaceful urban spaces ...'

Lee Valley Regional Park Authority

Access to details of Spice Walks around and about: [1] Essex - - - : [2] Hertfordshire - - - : [3] Kent - - - : [4] Middlesex - - - : [5] Surrey - - - : [6] Sussex - - - : [7] London

'The London Strollers are different from other walking groups as our Led walks are usually based in the Greater London area. We don't like to rush so our walks are at a leisurely pace and between 3 to 6 miles ... '

'This blog features walks along train lines in London. This was inspired by a number of existing sites with walks along the tube network. The individual walks are about two hours long and you can combine them for longer walks.'

'Walking is a great way to get around London. It's quick and reliable, good for your health, good for the planet and good for London's economy ... For short journeys, walking is quick and reliable. It always takes the same amount of time. Half of London car journeys are under 2km, which is just a 25 minutes' walk. If you're out in London, you can use our Legible London maps and signs to get where you're going quickly ... If you want to know how long it will take to walk somewhere, use the Walking Journey Planner or Walkit.com.'

'Since 2003, members of the urban75 bulletin boards have been taking part in monthly leisurely walks in and around London. Anyone contributing to the bulletin boards can propose a walk, but organisers are expected to keep easily bored amblers entertained with local history yarns and occasional points of interest. The walks vary in length from short city strolls to hefty countryside stomps, but there's always some real ale pubs along the route!'

Urban75

'Funded by Transport for London (TfL) Walk London has worked with the local authorities to develop an impressive network of quality walking routes - so whether you are looking for a place to feed the ducks, a short stroll in your lunch hour, or an energetic walk to make you feel more alive - Walk London!'

Transport for London

'Footprints of London is a London guided walks company with a difference. We're owned by our guides; all our guides are qualified and accredited and all our walks are researched and written by the guides leading them. Walks by and for those who love London delivered with care, professionalism, insight and enthusiasm, that's the Footprints of London difference.'

'The Lee Valley offers all kinds of walking in Hertfordshire, Essex and London. There are 26 miles of riverside trails to enjoy and quiet, car-free walking routes through nature reserves and peaceful urban spaces. Whether you fancy a gentle family stroll, a guided walk or a lengthy hike, the Lee Valley fits the bill. Many paths are surfaced for all-weather walking and easy pushchair or wheelchair use, and with an abundance of wildlife habitats and heritage sites there’s always plenty to see and do.'

Lee Valley Regional Park Authority

'Guided walking tours take place all year round in London. For many, you can just turn up, pay the tour guide and join in – there's often no need to book unless you are in a large group.'

Visit London.com

'London has a very rich and varied geology in the built environment, allowing us to see a wide range of beautiful and interesting stone from all over the world in a relatively small area. The downloadable resources ... include a Guide to Common Rocks in Graveyards, which can be used to help identify rocks in any cemetery in London and the Southeast.'

UCL Earth Sciences

'Feed your curiosity with over 200 gardens to explore in this magical two-day event. Gardens range from the historic and traditional to the new and experimental and can be discovered across 27 London boroughs.' Held Mid June.

London Parks & Gardens Trust

'From strolls to adventures, your guide to the best walks in London ... '

TimeOut London

TimeOut Book of Country Walks (Two Volumes) [Saturday Walkers' Club]

'In summer 2008, I spent three months walking the entire London Underground network, overground. This is the story of that walk, along with over 9750 photographs, route maps, points of interest and tips for those looking for a different way to explore London on foot.'

Mark Moxon

'Walks reachable by Oyster card, trying to tie London together by exploring its green spaces.' Walks are searchable by London Borough or Post Code or walk length

Chris Booth