Category: Conservation day Geoconservation Day: Dudley's Erratic Boulders in the Illey Valley. TBC BCGS Posted on 11 December 2022 by admin11 December 2022 Geoconservation Day: Dudley's Erratic Boulders in the Illey Valley. TBC 14 January 2023 Saturday 14 January 2023 (Geoconservation Day): Dudley's Erratic Boulders in the Illey Valley. TBC - details to follow. Black Horse Pub, IlleyMap Black Horse Pub, Illey iCal Google Calendar View full calendar