Be' sy' ymlaen

Common frog - Mark Hamblin/2020VISION

Byddwch yn barod am antur wyllt a mwynhewch wylio glôynnod byw, garddio er budd bywyd gwyllt a saffaris glan môr gyda ni.

Gyda mwy na 150 o ddigwyddiadau bob blwyddyn, mae rhywbeth at ddant pawb!

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Yn addas ar gyfer

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A large gathering of people in winter clothing, in a sandy dune edge car park. Most are holding litter pickers and blue or red bags, one at the front is wearing high visibility yellow and addressing the crowd through a megaphone. The day is clear and cold with a pale blue sky and light streaky clouds.

Plast Off! 2026

10:00am - 2:00pm
Porth Tyn Tywyn, Ynys mon

Ymunwch â ni ar gyfer ein digwyddiad glanhau traeth blynyddol mwyaf, a dechrau eich blwyddyn newydd gyda chamau cadarnhaol dros y blaned.

An aerial photograph of a saltmarsh. The turquoise blue channels of water wind their way through pale green-yellow islands of low vegetation in an almost fractal pattern spreading out from one large main channel.

Morfeydd heli godidog

6:30pm - 7:30pm
Online

Chwilfrydig am forfeydd heli? Ymunwch â ni i ymchwilio un o'n cynefinoedd arfordirol pwysicaf - er ei fod yn cael ei anwybyddu’n aml - a darganfod pam maen nhw'n hanfodol i fywyd gwyllt…

Surveyors on a rocky shore covered in brown seaweeds, with clipboards and grid squares. Rockpools and a sandy beach are in the distance.

Arolwg rhynglanwol 'rhoi cynnig arni

3:15pm - 4:45pm
Benllech Beach

Rhowch gynnig ar arolygu arfordiroedd creigiog Gogledd Cymru! Ymunwch â ni i archwilio'r arfordir, darganfod bywyd morol lleol, a helpu i gasglu data gwerthfawr ar gyfer cadwraeth

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