4.2 - ABEREIDDY - ABER DRAW (Aber Felin)
The Blue Lagoon is an old quarry , now flooded and linked to the sea by a channel .
Slate was quarried here from 1830 .
Transported by horse drawn tramway to Porthgain .
The quarry closed in 1904.
Ref: 2618
Date: 16/04/2008
Location: SM 795 314