The 2019 tour was based in Dunstable, organised by Rob Hornby and Matthew Johnson, and started Sunday 7th April 2019. An article relating the events will soon be published.
The 2018 tour was based in Canterbury, and organised by Isobel Frey and Chris Griggs.
The 2017 tour was based in Durham, and organised by Catrin and James Morgan.
Earlier tour locations (going back to 1947) are listed here.