Go to the Main Scottish Cave and Mine Database Search PageMap with: Google Map, or OS Explorer Map from Streetmap.co.uk
Wanlockhead [Overview] Old Waygate Shaft Low Inset [Wanlockhead] Lochnell Mine (Williamsons Level) Cocks Shaft Cove Vein [Rushy Sike Level] Burn Shaft [Wanlock Water] Cove Vein [Wanlock Dod Trial] Margarets Vein [Trial] Mennockhass Water Tunnel [Shaft] Lochnell Mine [Shaft] Lochnell Mine (Dod Level) Margarets Mine (Engine Shaft) Belton Grain Level Christie's Spout Level Rough Brae (Trial) Straitsteps Mine (Engine Shaft) Straitsteps Mine [Lower Adit] Belton Grain Level [E Portal] Goldscaur Vein [Trial] Straitsteps Mine (Little's Engine Shaft) Weir's Vein [Shaft] String Shaft / Deep Shaft Mennock Hass Crosscut High Drift [Adit] Old Glencrieff [Crosscut] (III) Straitsteps Mine (High Level) Old Glencrieff (Shafts) Straitstep Vein [Adit] Old Glencrieff Mine [Shaft] (II) Belton Grain Level [Shaft] Crawford's Vein [Cam Sheugh]
Go to the Main Scottish Cave and Mine Database Search Page
Wanlockhead, Dumfriesshire.
| NGR: | NS 87286 12909 |
| WGS84: | 55.39713, -3.78124 |
| Length: | 1385 m |
| Vert. Range: | Not recorded |
| Altitude: | 390 m |
| Geology: | Portpatrick Formation - wacke |
| Tags: | Rising, Adit, Tunnel, ManMade, Archaeo |
| Registry: | second |
Aqueduct tunnel, 18th c.
The extensive Mennockhass tunnel supplied mining activities and ore processing in Wanlockhead with water sourced from the Stake Moss Reservoir to the SE. The tunnel crosscut levels of the Margarets Mine [site #10131] & had its stone-lined outfall beside the Wanlock Water at the given coordinates (opposite the Museum of Lead Mining).
Alternative Names: Mennock Hass Water Level, Mennock Hass Tunnel
Notes: Plaque above stone-lined tunnel outfall point states "Cut 1763-1774. Length 1385m". Upstream Stake Moss Reservoir located at [NS 877 119].
'Hass' is a Scots word meaning pass.
Hydrographic Feeds: Stake Moss Reservoir
Hydrographic Resurgences: Wanlock Water
Links and Resources:
This entry was last updated: 2026-03-28 17:16:29
Errors or omissions in this information? Submit corrections/additions/comments for this entry to the registrars.
All database content Copyright 2026 Grampian Speleological Group.
Web Registry software by Matt Voysey.