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Earth Science Conservation Review
| Garrison; Lough Formal | Fermanagh |
| Site number: | 430 | File Number: | H04 |
| ESCC: | IC | ||
| Locality Type: | Karst | Status: | ASSI |
| Grid Reference: | H047474 Centroid | ||
| Google maps: | 54.37569,-7.92765 | ||
| County: | Fermanagh | Council area: | Fermanagh & Omagh District Council |
| Period: | Quaternary, Carboniferous | ||
| Stages: | Asbian, Holocene, Visean | ||
| Lithostrat: | Knockmore Limestone Member | ||
| Site Description | |
|---|---|
| Description: | |
Lough Formal is a small mountain lake situated at 240m amsl on a faulted outlier of the Knockmore Limestone Member in the Big Dog Forest. On the northern shore of the lake the Knockmore Limestone is exposed and a substantial notch has developed at water level. Two small hills, Formal More and Formal Beg, are also developed in the Knockmore Limestone and have small areas of exposed bed rock with some karren features. | |
| Notes: | |
Lough Formal is a feature of the Garrison area and an outlying karst site in County Fermanagh. For general information on the systems and features of the Garrison area, including this one, and a reference list, see 'Outlying Sites of Fermanagh & Tyrone; Garrison'. | |
| Keywords | |
|---|---|
| Rocks: | Limestone |
| Geomorph: | karren, notch |
| Measurements | |||||
|---|---|---|---|---|---|
| Length: | Width: | Height: | 240 m amsl | ||
| Depth: | Area: | ||||
| Record type: | ESCR report | ||
| Entered by: | Doughty, P.J. | ||
| Last updated: | 24 Dec 2003 | ||
| Enlander, I., Dempster, M. & Doughty, P., 2026. Garrison; Lough Formal, County Fermanagh, site details. [In] Earth Science Conservation Review. https://www.habitas.org.uk/escr/site.php?item=430. Accessed on 2026-11-06. |
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