Cnap an Tairbh Slate Workers’ Boat Houses

Low mono-pitched sheds built almost entirely from quarry slate record how industrial waste, fishing and household income met on the edge of Loch Leven.

Quick facts

Date
Before 1870
Architect / designer
Slate workers and local builders not individually recorded
Type
Groups of dry-built slate shore stores and boat houses
Designation
Listed building, Category C (LB48146)
OS grid reference
NN 07462 58392

Architecture and continuing use

Three groups of lean-to structures use thick battered walls of blue-grey slate waste laid without mortar. Large slate slabs form shallow roofs over rough timber or sheet-metal doors. The 1870 survey recorded twenty-three units, while later inspection found gaps, roofless sections and nine surviving roofs. Their compact runs are shaped by the made shoreline as much as by conventional building plots.

Its story

Ballachulish quarrying generated immense quantities of broken slate as well as roofing material. Waste was placed along the shore to form banks and small harbours. Before 1870 workers built this extensive group to shelter boats used for fishing and to supplement quarry wages. Twentieth-century decline and exposure reduced the group, but the remaining structures continue to express the industry’s effect beyond the quarry face.

Why it is included

They are rare vernacular industrial buildings made from the by-product of the work that supported their users, rather than from formally dressed construction stone.

What to notice

  • Battered walls assembled from thin slate pieces.
  • Large overlapping slabs forming mono-pitched roofs.
  • How the structures grow directly from the quarry-waste shore.

Reading the surroundings

Use recognised public routes and stay clear of unstable masonry, private cottages, working stores and the tidal edge. Do not open doors, enter roofless units or infer access from their mapped position.

Timeline

  1. Circa 1760 Large-scale slate working began to reshape the Ballachulish shore.
  2. 1870 Ordnance Surveyors recorded twenty-three boat houses at Cnap an Tairbh.
  3. 2001 Inspection found a reduced group with surviving roofs and ruinous gaps.

What we know — and what remains uncertain

The listing described poor condition in 2001; this record does not claim that every roof, door or use survives unchanged. Boundaries between private and accessible shore ground should be checked on site.

Sources & further reading

Location

reviewed Scotland’s Architecture record small badge = designation

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Place: Ballachulish · Current use: Historic shore structures in mixed condition; individual storage or boat use and lawful access have not been independently confirmed (checked 2026-09-03)

Last reviewed: 2026-09-03 · Record: SHD-REC-BALLACHULISH-CNAP-TAIRBH-BOAT-HOUSES

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