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Oes Efydd
Carn Llechart yw'r carnedd fwyaf yng Nghymru.
Diametr 40 troedfedd
Carn - Mynydd y Garth
Carreg Bica
Mae'r heneb yn cynnwys olion maen hir, sy'n dyddio yn ôl pob tebyg i'r Oes Efydd (c. 2300 - 800 CC). Fe'i lleolir ar dir gwastad 253m uwchlaw SO ar Fynydd Drumau. Mae'r garreg yn slab monolithig o dywodfaen lleol gyda sylfaen hirsgwar 1.2m wrth 0.6m ac yn codi 4.3mo uchder i bwynt di-fin.
Mae'r heneb o bwysigrwydd cenedlaethol oherwydd ei photensial i wella ein gwybodaeth am arferion claddu a defodol cynhanesyddol. Mae'n grair pwysig o dirwedd angladdol a defodol cynhanesyddol ac mae'n cadw potensial archeolegol sylweddol. Mae tebygolrwydd cryf o bresenoldeb dyddodion claddu neu ddefodol cyfan, ynghyd â thystiolaeth amgylcheddol a strwythurol. Mae meini hirion yn aml yn rhan o glwstwr mwy o henebion a gall eu gwerth grŵp ychwanegu at eu pwysigrwydd ymhellach.
Gwaith Glan yr afon
Yr Hen Bontardawe
Stryd Herbert
Hen waith Dur a Thin Gilbertson - lleoliad Ysgon Cwmtawe Nawr
Y Cyfnod Diweddar
Llifogydd ym Mhontardawe
Llifogydd ym Mhontardawe
Mae llawer o’r gamlas wedi’i llenwi dros yr 50 mlynedd diwethaf.
Ym mis Hydref 1998, gorlifodd y gamlas ei glannau yn dilyn glaw trwm gan achosi llifogydd difrifol ym Mhontardawe. Effeithiwyd ar drideg o dai, rhai unedau diwydiannol a siopau yng nghanol y dref, gyda’r dŵr hyd at 4 troedfedd (1.2 m) o ddyfnder mewn mannau.
Cobra yn y gamlas
Cobra yn y gamlas
Police are investigating reports that a large reptile has been spotted along a riverside beauty spot.
Members of the public have been warned to keep away from the River Tawe near Pontardawe, south Wales, after a series of sightings of what is believed to be a 7ft cobra.
Officers are patrolling the riverbank amid fears the snake could be a deadly water cobra.
A snake expert has been called in a bid to capture the reptile.
Three sightings
Chief Inspector Phil Bevan, of South Wales Police, said the snake could have been released into the wild after growing too big.
"We have had three sightings of a large snake in the water and we are treating this seriously.
"The sightings are of a seven-foot-long brown snake. On one occasion it reared up its head four feet into the air showing a hood around its neck.
"From the descriptions of its markings and the distinctive hooded, rearing action of its neck we are of the opinion it is a cobra and that it is a big one. However, if it is a pure-bred water cobra its bite is lethal.
"We are asking people to keep away from the area. We have had an expert at the scene and there are signs of reptile activity. "
He appealed for anybody who spots the snake to contact the police.
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