What is recorded here
Y Lasallt is a sea cliff composed primarily of Silurian greywacke and slate, formed around 440–420 million years ago through sedimentation and subsequent regional metamorphism. The cliff is notable for its exposure of ancient volcanic and sedimentary rocks that are part of the Caledonian mountain-building event.
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Places near here
False Summit Cairn of Pen yr Helgi DuAncient tomb or cairn · 329 yd
Pen yr Helgi Du false summit cairnAncient tomb or cairn · 329 yd
Pen yr Helgi DuMountain / peak · 453 yd
Cwm Eigiau QuarryQuarry · 711 yd
Cwm Eigiau Slate Quarry IIQuarry · 733 yd
Craig y LlynCliff · 1382 yd
Craig yr YsfaCliff · 1482 yd
Pen Llithrig y WrachMountain / peak · 1606 yd
The mountain wall and Creigiau HirionMountain or hill · 1.1 mi
Mountain wall and Creigiau Malwod crags above RhiwlasMountain or hill · 1.5 mi
Waterfall and doleriteWaterfall · 3.1 mi
Waterfall on Nant BochlwydWaterfall · 3.4 miOther information
Photo: Eric Jones · CC BY-SA 2.0