Earth Science Conservation Review
| Knockninny & Molly Mountain; Molly Stream Sink | Fermanagh |
| Site Type: | Sinkhole |
| Site Status: | local interest |
| Council area: | Fermanagh District Council |
| Grid Reference: | H240287 |
| Google maps: | 54.20716,-7.63217 |
| Rocks | |
|---|---|
| Rock Age: | Quaternary, Carboniferous (Asbian, Holocene, Visean) |
| Rock Name: | Dartry Limestone Formation, Glenade Sandstone Formation, Knockmore Limestone Member, Meenymore Formation |
| Rock Type: | Limestone |
| Interest | |
| Other interest: | doline, sinkhole |
Summary of site:
Three swallow holes on an inclined bench between the 170 and 200 m contours drain into steeply inclines Dartry Limestone. The most northerly is an active stream sink below a small cliff with a waterfall cascading over a Tertiary dyke at its entrance. The other two take a trickle of water.
| Enlander, I., Dempster, M. & Doughty, P., 2026. Knockninny & Molly Mountain; Molly Stream Sink, County Fermanagh, site summary. [In] Earth Science Conservation Review. https://www.habitas.org.uk/escr/summary.php?item=433. Accessed on 2026-05-30 |
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