Porth Clais Multi-cache

This is part of a series of multicaches celebrating the legends and history of the Welsh coastline, set up with help from Visit Wales as part of their 2017 "Year of Legends".

Each cache contains the coordinates for the next one in the British National Grid (BNG) system used on Ordnance Survey maps.

Porth Clais is associated with a long and complex folk tale about two young lovers. Prince Culhwch fell in love with Olwen, the beautiful daughter of the king of the giants, Ysbaddaden Pencawr. However, Ysbaddaden refused to allow them to marry unless Culhwch first slew the monstrous Twrch Trwyth, an Irish king that had been punished for his wickedness by being transformed into a fierce wild boar covered in poisonous spines. Culhwch enlisted the aid of his cousin King Arthur and six of his finest knights who set sail to Ireland to begin the fight. The knights tried and failed to kill the boar, who swore to destroy Wales as revenge for being attacked and swam across the Irish Sea with his litter of sons to come ashore at Porth Clais, pursued by Culhwch and his companions. Arthur summoned his army and chased the demonic boars all through Wales, killing them one by one, but incurring heavy casualties. Finally, the Twrch Trwyth himself was driven through Cornwall into the sea, never to be seen again, and Culhwch and Olwen were married.

Porth Clais yn gysylltiedig â stori werin hir a chymhleth tua dau gariadon ifanc. Syrthiodd tywysog Culhwch mewn cariad â Olwen, merch hardd brenin y cewri, Ysbaddaden Pencawr. Fodd bynnag, gwrthododd Ysbaddaden i'w galluogi i briodi oni bai fod Culhwch laddodd y gwrthun Twrch Trwyth, brenin Iwerddon a oedd wedi eu cosbi am ei ddrygioni trwy gael ei thrawsnewid yn baedd gwyllt ffyrnig gynnwys yn pigau gwenwynig gyntaf. Culhwch cheisiodd gymorth ei gefnder y Brenin Arthur a chwech o'i farchogion gorau a hwylio i Iwerddon i ddechrau ar y frwydr. Y marchogion ceisio a methu i ladd y baedd, a oedd yn tyngu i ddinistrio Cymru fel dial am ei ymosod a nofio ar draws Môr Iwerddon gyda'i feibion i ddod i'r lan ym Mhorth Clais, a ddilynwyd gan Culhwch a'i gymdeithion. galw Arthur ei fyddin ac erlid y baeddod dieflig bawb trwy Gymru, gan ladd un iddynt gan un, ond achosi anafiadau trwm. Yn olaf, mae'r Trwyth Twrch ei hun yn cael ei yrru drwy Cornwall i mewn i'r môr, ni welwyd o eto, ac roeddent yn Culhwch ac Olwen briod.