Man-made underground passage in Chelsea

In NNW sector of a ringfort (GA098-075----). What is visible is a grassy L-shaped hollow, its long axis (L 8.5m) running WNW-ESE. At its ESE end, it turns sharply to NNE (L 4.7m), following a NNE-SSW axis. It averages 3.5m in width and 0.65m in depth. The above description is derived from the published 'Archaeological Inventory of County Galway Vol. II - North Galway'. Compiled by Olive Alcock, Kathy de hÓra and Paul Gosling (Dublin: Stationery Office, 1999). Date of upload: 05 August 2010