Wormal Tunnel

Mossfennan, Upper Tweedsdale, Peeblesshire.

NGR:	NT 11364 31510
WGS84:	55.56917, -3.40715
Length:	1750 m
Vert. Range:	Not recorded
Altitude:	271 m
Geology:	Kirkcolm Formation - wacke
Tags:	Tunnel, ManMade
Registry:	second

Water Supply Tunnel, built c.1900.

Driven through Worm Hill with a NNE-SSW orientation. N portal visible within field, beside drainage channel. The S portal appears to be blocked / infilled, just N of the remains of an old aqueduct bridge that fed the tunnel.

Alternative Names: Worm Hill Tunnel

Notes: Path of tunnel shown on old OS map (given coordinates labelled as 'Entrance to tunnel').

Given length approx. (straight line between portal locations).

Links and Resources:

Tait, W.A.P. 1907. The Talla Water Supply of the Edinburgh & District Waterworks. Minutes of the Proceedings of the Institution of Civil Engineers. Vol.167, issue 1907.
Wikipedia: Edinburgh Water Company - https://en.wikipedia.org/wiki/Edinburgh_Water_Company
OS 1:25k, 1945-65. Peeblesshire - View

This entry was last updated: 2025-10-31 16:11:32

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