In the footsteps of the Colossus Machine

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48.7 mi
2,156 ft
01h18
Easy

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Route information

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Last verified: 3 October 2024

Description by the author

This route let you follow the "footsteps" of the first computer in the world: the Colossus. It was designed by Alan Turing and constructed by Tommy Flowers in Dollis Hill (London). It got operational in Bletchley Park in 1943. 

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Route origin

Route description

Region

Statistics

Difficulty level: Easy (47/100)

Length: 48.7 mi

Duration: 01h18


Total ascent: 2,156 ft

Maximal slope: 4.1 %

Average slope: 0 %

Net ascent: 85.3 ft

Total descent: 2,070 ft

Roads and subsoil

Paved roads: 48.6 mi (100 %)

Cobblestones: 0 ft (0 %)

Scenery

Car free roads: 0 ft (0 %)

Noise pollution

Amount of traffic


Natural area

Urban area

Water rich area

Characteristics

    Themes

      Groups

        Start and end of the route

        Closest address to start: Flowers Close, NW2 7EL London, England, United Kingdom
        Closest address to end: Roche Gardens, MK3 6HR Far Bletchley, England, United Kingdom

        Navigate to starting point

        Places of interest

        1. Paddock

          0 · POI
          Paddock is the codeword for an alternative Cabinet War Room bunker for Winston Churchill's World …
          Wikipedia
        2. Post Office Research Station

          0 · Historical place

          Tommy Flowers built during WW II the famous first computer Colossus at the Post Office's telephone …

          Dromos
        3. Dollis Hill House & Mr Gladstone

          0 · Heritage
          200 years ago this area was completely rural, with woods and farmland. The Finch family, one of …
          Wizpr.guide
        4. Dollis Hill House

          0 · House
          Dollis Hill House was an early 19th-century farmhouse located in the north London suburb of Dollis …
          Wikipedia
        5. Brent Cross West railway station

          0 · Trainstation
          Brent Cross West formerly Brent Cross South / Thameslink / Parkway is a railway station under …
          Wikipedia
        6. Dollis Brook

          0 · POI
          Dollis Brook runs through the London Borough of Barnet in north London. It is a tributary of the …
          Wikipedia
        7. Health Protection Agency

          0 · POI
          The Health Protection Agency was a non-departmental public body in the United Kingdom. It was an …
          Wikipedia
        8. Oriental City

          0 · POI
          Oriental City was a major shopping centre in Colindale, North London, England, originally built as …
          Wikipedia
        9. Burnt Oak tube station

          0 · Trainstation
          Burnt Oak is a London Underground station in Burnt Oak, north London, on Watling Avenue, off the …
          Wikipedia
        10. Edgwarebury Brook

          0 · River
          Edgwarebury Brook is a small stream in Edgware in the London Borough of Barnet. It is a tributary …
          Wikipedia
        11. Brockley Hill tube station

          0 · POI
          Brockley Hill was a proposed London Underground station in the Brockley Hill area of north London. …
          Wikipedia
        12. Edgware Way Grassland

          0 · Natural area
          Edgware Way Grassland or Edgware Way Rough is a 6.7 hectare Site of Metropolitan Importance for …
          Wikipedia
        13. Sulloniacis

          0 · POI
          Sulloniacis or Sulloniacae is the name of a place in Roman Britain which is known only from an …
          Wikipedia
        14. Royal National Orthopaedic Hospital

          0 · Hospital
          The Royal National Orthopaedic Hospital is a specialist orthopaedic hospital located in Greater …
          Wikipedia
        15. Elstree South tube station

          0 · Trainstation
          Elstree South was a proposed London Underground station in Elstree, Hertfordshire. It was …
          Wikipedia
        16. Radlett railway station

          0 · Trainstation
          Radlett railway station is on the Midland Main Line in England, serving the village of Radlett, …
          Wikipedia
        17. Hanstead House

          0 · House
          Hanstead House or Hanstead Park is a country house estate in Hertfordshire, England. Hanstead is …
          Wikipedia
        18. Bricket Wood railway station

          0 · Trainstation
          Bricket Wood railway station is in the village of Bricket Wood, Hertfordshire, England, on the …
          Wikipedia
        19. How Wood railway station

          0 · Trainstation
          How Wood railway station is in the village of How Wood, Hertfordshire, England. It is the fourth …
          Wikipedia
        20. Park Street railway station

          0 · Trainstation
          Park Street railway station serves the village of Park Street, Hertfordshire, England. It is the …
          Wikipedia
        21. St Stephen's Church

          0 · Church
          St Stephen's Church is a parish church in the Church of England in St Albans, Hertfordshire, …
          Wikipedia
        22. St Columba's College

          0 · School
          St Columba's College is a 4–18 independent, Catholic day school and sixth form in St Albans, …
          Wikipedia
        23. St Albans Abbey railway station

          0 · Trainstation
          St Albans Abbey railway station in St Albans, Hertfordshire, England is about 0.6 miles south of …
          Wikipedia
        24. Holywell House

          0 · House
          The manor house was originally called Hallywell . Another possibility as to the origin of the name …
          Wikipedia
        25. First Battle of St Albans

          0 · Event
          The First Battle of St Albans, fought on 22 May 1455 at St Albans, 22 miles north of London, …
          Wikipedia
        26. Diocese of St Albans

          0 · POI
          The Diocese of St Albans forms part of the Province of Canterbury in England and is part of the …
          Wikipedia
        27. St Albans Museums

          0 · Museum
          St Albans Museums is a local museum in the city of St Albans, Hertfordshire, England that is run …
          Wikipedia
        28. Second Battle of St Albans

          0 · Event
          The Second Battle of St Albans was fought on 17 February 1461 during the Wars of the Roses in …
          Wikipedia
        29. Church of St Peter

          0 · Church
          St Peter's Church is a parish church in the Church of England. It is located in St Albans, …
          Wikipedia
        30. Southdown Road Skew Bridge

          0 · Bridge
          Southdown Road Skew Bridge is a ribbed skew arch railway bridge, which carries the Midland Main …
          Wikipedia
        31. Harpenden railway station

          0 · Trainstation
          Harpenden railway station is on the Midland Main Line in England, serving the town of Harpenden, …
          Wikipedia
        32. Harpenden

          0 · Municipality
          Harpenden () is a town in the City and District of St Albans in the county of Hertfordshire, …
          Wikipedia
        33. Harpenden

          0 · Village
          Harpenden is the end of the Nicky Line, the local nickname for the railway that once linked the …
          Dromos
        34. St Nicholas Church

          0 · Church
          The church of St Nicholas in Harpenden is a parish church in the Church of England. It is a Grade …
          Wikipedia
        35. Lydekker Park

          0 · Park
          Lydekker Park is a 3-acre park in Harpenden, Hertfordshire. The land was formerly part of the …
          Wikipedia
        36. St George's School

          0 · School
          St George's School, Harpenden is a day and boarding school in Harpenden, Hertfordshire, England, …
          Wikipedia
        37. Lancot Park

          0 · Sportcomplex
          Lancot Park is a cricket ground in Dunstable, Bedfordshire. Situated at the foot of Dunstable …
          Wikipedia
        38. Totternhoe

          0 · Municipality
          Totternhoe is a village and civil parish in the Manshead hundred of the county of Bedfordshire, …
          Wikipedia
        39. Totternhoe Knolls

          0 · POI
          Totternhoe Knolls is a 13.1 hectare Site of Special Scientific Interest in Totternhoe in …
          Wikipedia
        40. Stanbridgeford railway station

          0 · Trainstation
          Stanbridgeford railway station on the London and North Western Railway's branch line to Dunstable …
          Wikipedia
        41. Church of St John the Baptist

          0 · Church
          Church of St John the Baptist is a Grade I listed church in Stanbridge, Bedfordshire, England. It …
          Wikipedia
        42. Bedfordshire Greensand Ridge

          0 · POI
          Bedfordshire Greensand Ridge is an escarpment which runs through Buckinghamshire, Bedfordshire, …
          Wikipedia
        43. Church of All Saints

          0 · Church
          All Saints Church, Leighton Buzzard is the fine Early English parish church for the town of …
          Wikipedia
        44. Greensand Ridge Walk

          0 · Walk
          The Greensand Ridge Walk is a long-distance walk of 40 miles (64 km) that traverses the county of …
          Wikipedia
        45. Three Locks

          1 · Canal
          We cross at the top of a flight of 3 locks on The Grand Union Canal. There's plenty of space to …
          Bonus Miles
        46. Bletchley railway station

          0 · Trainstation
          Bletchley is a railway station that serves the southern parts of Milton Keynes, England , and the …
          Wikipedia
        47. Bletchley

          0 · Municipality
          Bletchley is a constituent town of Milton Keynes, Buckinghamshire, England. It is situated in the …
          Wikipedia
        48. The National Museum of Computing

          0 · Science museum

          The National Museum of Computing is a museum in the United Kingdom dedicated to collecting and …

          Wikipedia
        49. St Mary's Church

          0 · Church
          St Mary's and St John's Church is the Anglican parish church in Bletchley, Buckinghamshire, …
          Wikipedia
        50. Bletchley Park

          0 · Museum

          Did you know that Agatha Christie is linked to Bletchley Park! Around 1941–42, the British …

          Dromos

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        Activities

        Nearby

        Routes nearby

        Lodging nearby

        Services nearby

        Paddock
        Post Office Research Station
        Dollis Hill House & Mr Gladstone
        Dollis Hill House
        Brent Cross West railway station
        Dollis Brook
        Health Protection Agency
        Oriental City
        Burnt Oak tube station
        Edgwarebury Brook
        Brockley Hill tube station
        Edgware Way Grassland
        Sulloniacis
        Royal National Orthopaedic Hospital
        Elstree South tube station
        Radlett railway station
        Hanstead House
        Bricket Wood railway station
        How Wood railway station
        Park Street railway station
        St Stephen's Church
        St Columba's College
        St Albans Abbey railway station
        Holywell House
        First Battle of St Albans
        Diocese of St Albans
        St Albans Museums
        Second Battle of St Albans
        Church of St Peter
        Southdown Road Skew Bridge
        Harpenden railway station
        Harpenden
        Harpenden
        St Nicholas Church
        Lydekker Park
        St George's School
        Lancot Park
        Totternhoe
        Totternhoe Knolls
        Stanbridgeford railway station
        Church of St John the Baptist
        Bedfordshire Greensand Ridge
        Church of All Saints
        Greensand Ridge Walk
        Three Locks
        Bletchley railway station
        Bletchley
        The National Museum of Computing
        St Mary's Church
        Bletchley Park
        0 mi3 mi6 mi9 mi12 mi16 mi19 mi22 mi25 mi28 mi31 mi34 mi37 mi40 mi43 mi47 mi49 mi141 ft679 ft
        Plus
        2 mi

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