Pont Pen-y-benglog

Pont Pen-y-benglog, Llyn Ogwen

Date

28 March 2020

Location

Llyn Ogwen
SH 64914 60537; 53.12482°N, 4.02023°W

Information

In the early 19th century, Scottish civil engineer Thomas Telford (1757-1834) built the A5 road as the main London-to-Dublin mail route. The current ‘Pont Pen-y-benglog’ bridge over the Afon Ogwen was built to replace a difficult, steep section of the earlier coach route at the western end of Llyn Ogwen. The surviving arch of the earlier, medieval pack-horse bridge can be seen below the present one.

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Pont Pen-y-benglog Spigot Mortar Mount

Steel boss

Steel boss – the pivot about which the mortar could rotate

Date

18 May 2013
Location

Pont Pen-y-benglog, Llyn Ogwen

SH 64914 60484; 53.12434°N, 4.02021°W

Information

With a conventional mortar, a tubular launcher fires the mortar bomb. In the case of a spigot mortar, however, a hollow tube in the projectile fits over a solid rod, or spigot, in the launcher. Featuring widely in British anti-invasion defences during World War II, the Blacker Bombard, or 29mm Spigot Mortar, was introduced in 1941. The mortar was equipped with both 20 lb anti-tank bombs and 14 lb anti-personnel bombs.

The spigot mortar emplacement at Pont Pen-y-benglog is situated close to the A5 road near its crossing of the Afon Ogwen and formed part of the stop-line defences in the area.

Spigot Mortar

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