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Penrhyn / Nantlle slate spoil, Gwynedd, Wales

ROCKHOUNDING GRAY AREA DOCUMENTED

Where: Wales · Europe · approx. 53.05, -4.26 (vicinity only)

Why this spot: Cambrian

What turns up: Slate, chiastolite and minor vein minerals on the tips

Access: Gray area.

Slate tips are private and hazardous; permission needed, respect the WHS.

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Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.

Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.