Loch Arklet Dam Water Channel

Loch Lomond And Trossachs National Park Planning Authority

J R Sutherland, 1910-15, based on designs by James M Gale prior to 1902. 350 yard long dam with crenellated parapet and curved buttresses. Concrete construction faced with coursed, bull-faced red Annan sandstone. Off-centre 9-bay spillway towards N end falling into exit channel basin with curved sides. Buttresses flanking spillway and at regular intervals with shallow machicolated detailing to string course. Crenellated parapet to reservoir side of dam-top walkway; walkway carried over spillway on series of masonry piers; tubular cast-iron railings to land side and over spillway. Crenellated curved wing wall at N end bearing large cast-bronze commemorative plaque.

VALVE TOWERS: 2 octagonal-plan valve houses with deeply crenellated tops and mutulled eaves courses house cast-iron regulating mechanism for compensation supply which flows through dam. Masonry-clad walls to exit channels.

BRIDGE: single-span, segmental-arched bridge with pyramidal-capped piers at each end and standard GCWW railings to parapet. Bull-faced coursed red Annan sandstone; prominent voussoirs. Situated a short distance down stream from the exit channels.