Hertfordshire Geological Society
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Some other sites which may interest you

National organisations for the amateur and professional:

The Geologists Association

The Geological Society



Some neighbouring societies:

East Herts Geology Club

Bedfordshire Geology Group

Bucks Earth Heritage Group

Amateur Geological Society 

More links...


A Local Group of the Geologists Association


Last updated: 

The society is for anyone interested in geology, whether beginners or experienced.
This is our 46th year!

We hold monthly talks on a wide range of earth science topics, usually on the 2nd Thursday of the month
. We have several day and weekend field trips a year and sometimes a longer foreign excursion.   
Our talks normally take place at Oaklands College.
Click here to download detailed directions to the venue.

2021 talks will continue to take place online, via Zoom.
We hope to resume meeting at Oaklands College sometime in Spring 2022. 
Please check the web site for updates.

Next meeting:  Thursday 9th December 2021, 7:30pm 
"The last British Ice sheet"
Talk by
Dr Bethan Davies (Royal Holloway, University of London)


Next field trip:  none scheduled at the moment

The link for joining Zoom meetings will be emailed a few days in advance to all members.
If you have not received it by the day before the talk, please contact the
Guests are welcome.  Please
contact the secretary in advance for the link.

The November 2021 talk Geoscience, and the world after oil" can be viewed for a limited period
on the HGS YouTube page .

The 2021 Virtual Festival of Geology takes place over the weekend 6-7 November.
As our contribution, welcome to
"Living in Hertfordshire over the last 100 million years".

Visit the vFoG web page for the complete programme.

You may also enjoy these videos about 5 of Hertfordshire's important geological sites,
developed for the 2020 vFoG.

HGS Summary Video

    HGS Hill End Chalk Pit                          HGS  Castle Hill, Berkhamsted

HGS Bourne Gutter

          HGS  Barkway Chalk Pit                  HGS Little Heath pit, near Berkhamsted

Visit the HGS YouTube site
You can still view the vFoG talks here until the end of 2020

"Hertfordshire Geology and Landscape" 

For more details of the book, see the HNHS web page.
 It can be purchased on-line from HNHS, or in person at any meeting of the HGS for only 35.

Learn about local geology

Introduction to the Geology Of Hertfordshire

Geological trails and guides
We are starting to build up a collection of downloadable geological trails, and guides to geologically interesting locations.   The first ones can be seen on the 'Trails and Guides' page.

Sites of special geological interest
A number of sites in Hertfordshire are officially designated as important for their geology or geomorphology.  Details and map

For lots of interesting information on Hertfordshire Puddingstone
visit the East Herts Geology Club's puddingstone page