The one at Rusheen in County Cork belongs to a tradition of rural industry that shaped the landscape for centuries, yet rarely draws a second glance. These structures, essentially large stone furnaces built into hillsides or banks, were used to burn limestone at intense heat, producing quicklime that farmers spread across acidic soils to improve their fertility. Without them, much of Ireland's farmland would have remained unworkable.

Lime burning was widespread in Ireland from at least the seventeenth century and reached its peak during the agricultural improvements of the eighteenth and nineteenth centuries. Landlords and improving tenants invested in kilns as practical infrastructure, and their remains, typically a horseshoe-shaped stone bowl set into a slope with a draw arch at the base for raking out the burnt lime, can still be found on farms across Munster and beyond. The Rusheen example sits within this broader pattern of Cork's agricultural past, a county where the limestone geology made such kilns both practical and relatively common.