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Visit Our Centre

EFC Centre at Wat Tyler Country ParkOur centre is available for visits on a pre-booked basis on Wednesdays between 10am - 4pm. The Club’s activities and displays are also usually open to the public on the first Saturday of the month 11am - 4pm.

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About the Essex Field Club
Essex Field Club
registered charity
no 1113963
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Geology Site Account

A-Z Geological Site Index

Ashdon Road Swallow Hole, SAFFRON WALDEN, Uttlesford District, TL56083908, General geological site

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Site category: River feature or river terrace deposits

Site name: Ashdon Road Swallow Hole

Grid reference: TL 5608 3908

Brief description of site:

A swallow hole is a depression in the ground in a limestone or chalk area into which a stream disappears underground. Some swallow holes are not obvious on the surface and are merely a point where a stream appears to dry up as it percolates through its gravel bed to continue its journey underground.

An example of the latter is in the valley of The Slade where, during most times of the year, the stream disappears underground as it flows from the boulder clay plateau onto the Chalk at a point adjacent to the public footpath midway between Martins Wood and the Ashdon Road.

 

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Reference: Whitaker & Thresh 1916 (p.47-48)

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