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Ibert Farm, Killearn, Stirlingshire.
| NGR: | NS 52970 86040 |
| WGS84: | 56.04459, -4.36195 |
| Length: | 462 m |
| Vert. Range: | Not recorded |
| Altitude: | 104 m |
| Geology: | Teith Sandstone Formation - sandstone |
| Tags: | Shaft, Tunnel, ManMade, Archaeo |
| Registry: | second |
Aqueduct Tunnel (1850s).
Part of the Loch Katrine Aqueduct system (1855 phase). Locked manhole (low sandstone-built structure with metal cap) at field edge beside Ibert, probably situated at or near to SW portal (buried) of tunnelled section that was driven through a low ridge of Old Red Sandstone bedrock.
See Loch Katrine Tunnel [Intake] (Site #9564) for background info.
Alternative Names: Ibert Tunnel
Notes: 1869 cross-section of 1855 aqueduct states (unnamed) tunnel 506 yards [462m] long. Conduit probably continues NE/SW from the buried portals as cut-and-cover sections.
Aqueduct re-emerges beside Killearn Main St as a bridge over the Kirkhouse Burn at [NS 52751 85426; alt ~102m, compared to manhole cover at 104m & highest point of Ibert ridge at 113m].
Townhead Chamber & shafts at S end of Endrick syphon pipe section are located to NE at [NS 5327 8680].
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This entry was last updated: 2026-01-30 00:46:35
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