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Earth Science Conservation Review
| Knockmore-Pollaraftra; Garrison Cave | Fermanagh |
| Site number: | 420 | File Number: | H04 |
| ESCC: | IC | ||
| Locality Type: | Cave | Status: | ASSI |
| Grid Reference: | H088497 | ||
| Google maps: | 54.3963,-7.8645 | ||
| County: | Fermanagh | Council area: | Fermanagh & Omagh District Council |
| Period: | Quaternary, Carboniferous | ||
| Stages: | Holocene, Visean | ||
| Lithostrat: | Knockmore Limestone Member | ||
| Site Description | |
|---|---|
| Description: | |
The Pollaraftra fault scarp exposes the mudbank flank facies in cliffs along the north side of the Sillees valley, and there are a number of relict caves in the cliffs. The most significant is Garrison Cave, a steeply descending passage of phreatic origin with a vadose trench. This canyon passage has an infill of fine muds which line the floor. Further into the cave they become wet from a number of small inlets. Good soft calcite deposits and some small stalactites, stalagmites and flowstone are present. | |
| Notes: | |
Garrison Cave is a feature of the Knockmore-Pollaraftra area of the Belmore, Ballintempo and Tullybrack Uplands. For general information on the systems and features of the Knockmore-Pollaraftra area, including this one, and a reference list, see site description 'Belmore, Ballintempo & Tullybrack Uplands; Knockmore-Pollaraftra'. | |
| Keywords | |
|---|---|
| Minerals: | Calcite |
| Rocks: | Limestone |
| Geomorph: | cave, flowstone, stalactite, stalagmite |
| Measurements | |||||
|---|---|---|---|---|---|
| Length: | 75 m | Width: | Height: | ||
| Depth: | Area: | ||||
| Record type: | ESCR report | ||
| Entered by: | Doughty, P.J. | ||
| Last updated: | 24 Dec 2003 | ||
| Enlander, I., Dempster, M. & Doughty, P., 2026. Knockmore-Pollaraftra; Garrison Cave, County Fermanagh, site details. [In] Earth Science Conservation Review. https://www.habitas.org.uk/escr/site.php?item=420. Accessed on 2026-11-06. |
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