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.

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, St Albans.
Click here to download detailed directions to the venue.

Next meeting:  Thursday 13th January 2022, 7:30pm, by Zoom 
"Mammal miniaturisation during Paleogene hyperthermals: a new palaeodietary perspective"
Talk by
Dr.Neil Adams (University of Oxford Natural History Museum)

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 December 2021 talk The Last British Ice Sheet" can be viewed for a limited period
on the HGS YouTube page .

Talks will continue to take place online at the beginning of 2022, via Zoom.
We hope to resume meeting at Oaklands College in April 2022.  We plan to record these talks too, so that members who miss the live talks can watch them later.

Please check the web site for updates.

These are now due, members will find full details in the December 2021 Chalk Board.
As we are able to run a full programme again, fees are returning to their old levels:
Full 24  Family 32  Pensioner 21  Student 10
If you wish to join, please see the 'Contacts and Joining' page.

We are developing a new web site, which will contain much more information in a more attractive and easily-navigated layout. 
We expect it will be ready for release in Spring 2022.
Watch this space for more details.


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 2021

"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