What you can do

If you care for Cornwall’s ancient sites and would like to help us protect them, then consider getting involved!

  • Attend our monthly site clearances. The work is not hard, you will learn more about the sites and enjoy meeting like minded people
  • LAN, Lizard ancient sites clear-ups
  • Join our annual membership scheme 
  • Become a site monitor through our Adopt-A-Site scheme
  • Come along to one of our walks and talks

Site Clearances

Each event lasts about two hours. Tools and Gloves are provided. The schedule may change depending on weather, availability of CASPN personnel and the Penwith Landscape Partnership schedule. Please see our Facebook page for last minute information and more detailed parking suggestions.

Recent Clearances

January 19th, 2020 2:00pm - Sancreed Well

November 17th, 2019 2:00pm - Lesingey Round

October 13th, 2019 2:00pm - Mulfra Vean Courtyard House

September 15th, 2019 2:00pm - Portheras Common Barrow

August 18th, 2019 2:00pm - Bosiliack Barrow

Coming Up

Bosporthennis Well

February 23rd, 2020 2:00pm

Parking in lane on the Gurnard’s Head to Newmill Road. OS: 441 366

More info about Bosporthennis Well
OS Grid Reference: SW 4395 3633
Open Street Map: 50.171555,-5.587206

Madron Holy Well

March 29th, 2020 2:00pm

Meet in car park.

More info about Madron Holy Well
OS Grid Reference: SW 4465 3280
Open Street Map: 50.140172,-5.575057


April 10th, 2020 11:00am

Meet at Mên-an-Tol layby. This Good Friday event will include a Dolly Dunking ceremony.

More info about Mên-an-Tol
OS Grid Reference: SW 4264 3493
Open Street Map: 50.158421,-5.604567

Tregeseal Stone Circle

May 17th, 2020 2:00pm

Park in lane by Hailglower Farm and meet at the circle. We'll visit the barrows later.

More info about Tregeseal Stone Circle
OS Grid Reference: SW 3866 3238
Open Street Map: 50.133793,-5.658422

Boscawen-ûn Stone Circle

June 21st, 2020 2:00pm

Meet in layby on A30.

More info about Boscawen-ûn Stone Circle
OS Grid Reference: SW 4122 2736
Open Street Map: 50.089858,-5.619272

Lower Boscaswell Fogou

July 19th, 2020 2:00pm

Parking at Geevor Penwith Landscape Partnership volunteer base at o/s 339 378. On left near entrance – will be signposted. SatNav for Geevor: TR19 7EW

More info about Lower Boscaswell Fogou
OS Grid Reference: SW 3767 3484
Open Street Map: 50.155435,-5.673939

Bosiliack Barrow

August 16th, 2020 2:00pm

Bosiliack settlement and grave. Parking info to follow.

More info about Bosiliack Barrow
OS Grid Reference: SW 4311 3422
Open Street Map: 50.152252,-5.597522

Bosullow Trehyllis

September 13th, 2020 2:00pm

Meet 2pm at Trehyllis Farm OS: 409 337

More info about Bosullow Trehyllis
OS Grid Reference: SW 409 342
Open Street Map: 50.151111,-5.628380

Mulfra Vean Courtyard House

October 18th, 2020 2:00pm

Meet at Mulfra farmhouse.

More info about Mulfra Vean Courtyard House
OS Grid Reference: SW 4539 3496
Open Street Map: 50.159878,-5.566165

Lesingey Round

November 22nd, 2020 2:00pm

Meet in Lesingey Lane.

More info about Lesingey Round
OS Grid Reference: SW 453 304
Open Street Map: 50.118908,-5.564376

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Join us

If you enjoy, appreciate and care for our ancient sites, then please consider helping us to support them, by becoming a member.

For a nominal annual fee (£7 unwaged, £10 waged or couples £14.00) you receive our newsletter keeping you informed of our activities, including volunteer days, local contacts and free guided walks with local archaeologists and researchers.

In order to join please download the membership form here. You can then send it back by post to the Treasurer at

TR19 7AD

or scan and email it to:


You can then pay in one of two ways:

  • By cheque payable to CASPN
  • By Paypal - simply select membership type from the dropdown menu. You don't have to have a Paypal account to pay this way. One off payments can be made via Paypal without an account.
Select membership type
Your Email Address:

If you would like to make a donation to CASPN you can do it via the donation button below…


Would you like to become an Ancient Sites Archaeological Monitor? Penwith’s Ancient Sites are always under pressures of various kinds. We need local people to keep an eye on the sites, and report back to their condition and any changes affecting them. Would you be prepared to ‘Adopt-a-Site’ locally, and visit it from time to time to complete a simple Monitoring form? Your commitment will greatly help in preserving our ancient sites.

Download and print a copy of the Adopt-A-Site Monitor form as a PDF.

Alternatively contact us. Email: info@cornishancientsites.com