Wheal Betsy 09 August 2020 Posted by Simon Lewis on August 11, 2020 Posted in: Uncategorized. Tagged: Dartmoor, devon, photography, scenery, wheal betsy. Leave a comment Wheal Betsy is a ruined silver lead mine on the western edge of Dartmoor. It is on open access moorland, a few miles north of Mary Tavy. Photos from a brief spell of sunshine on a Sunday morning in August.