The Secrets of Grims Ditch @pwhitewick
The Secrets of Grims Ditch  @pwhitewick
Uploaded February 2025 | Updated September 2026, 2 weeks ago
Go buy the book if it interestes you: chilterns.org.uk/visit-chilterns/shop-chilterns/chilterns-stories

Also click here to see Wendy at work!: chilterns.org.uk/flagship-projects/chap

Welcome to this weeks offering. Have you ever looked at a Map and seen "Grim's Ditch" and then wondered what it was. A significant set of linear earthworks scaling much of southern Britain. Well, wonder no more, as this week we tackle the big questions. Who built it and why?

Join this channel to get access to perks:
youtube.com/channel/UCJV1EC8Mf87PpQYo9eUfd3Q/join OR Patreon: patreon.com/PaulandRebeccaWhitewick

Videos To Watch Next:

The Wall that divided Britain - youtu.be/5Va8k0KQfZU
How we Misunderstood Glastonbury - youtu.be/qls9_5qbjJ0

Usual notices:
1. We are not historians or Academics. We enjoy researching and learning, and with that we enjoy sharing our journeys with you. That said, sources for information often listed below with credits.
2. Corrections. Whilst we make every attempt to not include any errors, research, and piecing stories together from dozens of sources sometimes leads to one or two. I will note here if any are found:

Errors
1. "Subsizable". Is that even a word?
2. At 10 mins and 36 seconds. Damn. Too late to change.

Credit and thanks for assets

Long UK Maps: mapswire.com/maps/united-kingdom
Filter: Snowman Digital and Beachfront
B-Roll Maps: Google Maps and Google Earth Studio
Maps: National Library of Scotland Maps:
OS Maps. Media License.
Stock Footage: Storyblocks
Music: Storyblocks, epidemicsound and artlist
Old Map: NLS - nls.uk

Credit for images/footage:
Iron Age Pots: Mike Seager Thomas
Some Drone Footage: @hedleythorne


Sources:

chilterns.org.uk/chalkcherrieschairs/our-work/people/chilterns-stories
Also: Dr Wendy Morrison. So.... Yeah!

Chapters:

00:00 - Intro
01:40 - What is it?
06:05 - Where is it?
09:20 - Can we date it?
12:53 - What was it for?
17:42 - marking the Landcape
The Secrets of Grims DitchIs There a Carbon Dating Conspiracy!?The Canal Invention you DO NOT want to use.The Most Important Moment in Englands HistoryThe Romans Invented Trains....... AlmostThe Mysterious Stonehenge House That Defied All Maps!Leominsters Tragic Canal Story.Mysterious Grave on Old Maps #history #archaeologyWHY Cant We Understand this ANCIENT Map?The Forgotten KingThe Railway That Isolated you - The Hatfield Branch StoryLost Milestone in the middle of nowhere. #short #history
Paul Whitewick |

The Secrets of Grims Ditch

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