A huge boulder, some 3m tall , on the beach below the Traeth Maen Dylan promontory .
A glacial erratic of dark grey mudstone.
On or near the location of the grave of Dylan Eil Don , a character in the Mabinogion ,
a collection of 11 stories based on characters and incidents from the dark ages embellished
with supernatural and folklore elements. Dylan is a Welsh Aquatic hero or Sea demigod .
Ref: NW 2767
Date: 24/10/2023
Location: SH 4259 5227