Tralong

Exploring Ancient Drowned Landscapes

‘Drowned Landscapes’ – that’s an adequate enough description for us to look again at a subject which RWJ covered five years ago in this post: Tralong Bay, Co Cork – give it a read. I was reminded of the subject when we took part in an Archaeology Festival based in West Kerry just a week ago: Amanda’s current holy well blog describes the expeditions. One of the sites visited was Bunaneer Drowned Forest, where we saw stumps of trees on the beach there which were alive thousands of years ago. At low tide many tree remains become visible at Bunaneer, near Castlecove village on the south coast of Kerry’s Iveragh Peninsula. Our guides for this expedition were plant biologist Calum Sweeney and archaeologist Aoibheann Lambe.

This large jumble of roots (above) is known as Goliath. All the remains here can be seen at regular low tides: at other similar sites elsewhere in Ireland, remains of ancient tree boles and roots are only revealed when tides are exceptionally low. I find it remarkable to be able to see and readily touch these archaic pieces of timber: we are communing with distant history!

Carbon dating has shown that these remains were alive between three and a half and five millennia ago. This is evidence that sea levels were significantly lower then, and that the shore line was further out – perhaps 50 metres from where we see it today. We are constantly – and quite rightly – being warned about rising sea levels resulting from our changing climate in the long term: here we see clear verification that it’s a continuing – and now apparently accelerating – process.

Our friends Robin and Sue Lewando were also on this expedition. Robin has a particular interest in sea-level changes in the Late Quaternary and subsequent eras, and he pointed me to a 2015 paper which explores the subject specifically in the Bantry Bay area of West Cork. That’s a good place to be looking at ancient history: remember the story of Cessair – Noah’s daughter-in-law – who came ashore at Donemark? You first read about it here! So this is a scientific diagram which sets out how sea-levels have been changing over time in our locality:

It’s an interesting comparison to take our horizons wider in our study of changing sea levels across the islands of Ireland. Over on the east coast – north of Bray, Co Wicklow – there is another substantial area where tree remains have been revealed at certain tidal conditions.

Above are the areas of beach between Bray and Killiney where ‘drowned forest’ remains have been observed. While at Youghal, Co Cork, further finds have occured:

This example catches our interest because the name of the settlement – Youghal – is derived from the Irish word ‘Eochaill’ meaning ‘Yew Woods’: they were evidently once common in the area, leading us to wonder whether the tree remains in this instance are of yew. In 2014 the following account of another ‘ancient drowned forest’ discovery appeared in the Irish Times (photograph courtesy of Joe O’Shaughnessy):

. . . Walking out on to the shoreline at low tide, geologist Prof Mike Williams points to the oak, pine and birch stumps and extensive root systems which were once part of woodlands populated by people, wolves and bears. These woodlands extended out into lagoons and marshlands that pre-dated the formation of Galway bay, Prof Williams says.

An extensive layer of peat also exposed at low tide in the same location in Spiddal was formed by organic debris which once carpeted the forest floor. The stumps at Spiddal are surrounded by root systems which are largely undisturbed. The carpet of peat is covered in strands of a reed called phragmites, which can tolerate semi- saline or brackish conditions.

“These trees are in their original growth position and hadn’t keeled over, which would suggest that they died quite quickly, perhaps in a quite rapid sea level rise,” Prof Williams adds. Up until 5,000 years ago Ireland experienced a series of rapid sea level rises, he says. During the mid-Holocene period, oak and pine forests were flooded along the western seaboard and recycled into peat deposits of up to two metres thick, which were then covered by sand.

Prof Williams estimates that sea level would have been at least five metres lower than present when the forests thrived, and traces of marine shell 50cm below the peat surface suggest the forest floor was affected by very occasional extreme wave events such as storm surges or tsunamis. He says most west coast sand-dune systems date to a “levelling” off period in sea level change about 5,000 years ago. Dunes in Doolin, Co Clare, are older still, having first formed around 6,500 years ago.

Prof Williams has located tree stumps in south Mayo and Clare, along with Galway, which have been carbon dated to between 5,200 and 7,400 years ago at the chrono centre at Queen’s University, Belfast. Some of the trees were nearly 100 years old when they perished . . .

Lorna Siggins
Irish Times 07/03/2014

Goliath, West Kerry, November 2023

West Cork Obscura – Robert’s Choices

‘Hidden West Cork’ and ‘off the beaten track’ have been oft-used phrases in our posts – and that’s part of our mission with Roaringwater Journal: exploration of some of the more secret places, and researching and recording their stories. Finola has looked out her own favourites; my current choices are here – although, with 569 posts written to date between us, we could have picked out so many.

Header and above – one of the discoveries which made a great impression on me during the year was Tralong Bay, out beyond Glandore and Drombeg: it’s a beautiful piece of the coastline, at the end of a cul-de-sac and – it seemed to us – very little visited. But to visit is to transport yourselves back thousands of years as, on the beach and exposed at low tide, are the remains of an ancient forest. Here is the post.

A quirky discovery, not too far away from Tralong, was the pyramid-shaped mausoleum in the old burial ground at Glandore. For us, ancient graveyards are treasure troves of local history. This one – a peaceful and secluded place well worth a visit anyway – conceals an enigma: find the story here.

The Rock Art at Castlemehigan in its spectacular setting (above). Below is a close view of some of the markings on the rock

Delving back a few years, I found this December post on a visit to a spectacular example of Rock Art at the far end the Mizen Peninsula: Castlemehigan. The cupmarks on this earthfast boulder are impressive and the view from it is spectacular, especially on the clear winter day that we were blessed with. The rock was also in use as a Mass Rock during penal times, and there is evidence of this on the surface. We were told a story about those times by Florence O’Driscoll, whose land the rock is on. Make sure you have permission to visit if you go!

Finola managed to combine her consuming interest in wildflowers with industrial history and an account of a very special walk on the Sheep’s Head. It’s one of the marked trails on that peninsula – and takes in the deserted settlement of Crimea where a cottage has been partially restored (picture above) – finishing at the abandoned mine workings at Gortavallig, perched precariously on the very edge of a cliff (below). Here is the link to Finola’s post.

Here am I trying to get my head around the enigmatic ‘Rolls of Butter’ (above). I have to admit they are in Kerry (only just), but involved us travelling one of our all-time favourite roads, much of which is actually in West Cork: that’s the Priest’s Leap Road which runs over the mountains from Bantry (more or less) to Kenmare (more or less). We go out of our way to use this road because of the superb views – and a special piece of folklore – but, if you give it a try, be prepared for a narrow and steep journey (below)! Here is the post.

Archaeology dictates many of our outings. One of the less well-known monuments is Ardgroom Outward Stone Circle (pictured above and below) on the Beara Peninsula. This year, following a harsh winter, the weather turned sublime, and we have travelled extensively to make the most of it. We find ourselves often drawn to the Beara (much of which is in West Cork). This post describes an expedition which included stone monuments, colourful villages, stained glass – and ice cream! Have a look.

It was almost five years ago that we first reported on one of our perenially favourite West Cork locations: Gougane Barra (above). It’s a holy place – an alluringly beautiful lake sited in the Shehy Mountains, close to the source of Cork’s special River Lee. Here, in the sixth century, Saint Finbarr set up a collection of cells for his monastic community on an island. Here, also, lived the couple ‘The Tailor and Ansty’, immortalised in a book written in 1942 by Eric Cross. It’s a not entirely happy story as the book was banned because of its down-to-earth portrayal of the facts of life, and storyteller Tim Buckley (‘The Tailor’) was forced to burn his copy of it in front of the local priests: the incident led to an abrasive debate in Seanad Éireann on censorship. This story is, perhaps, one of the less well-known historical aspects of West Cork (and Ireland), but visit Gougane Barra for its beauty – and make sure you find the gravestone of ‘The Tailor & Ansty’: it was carved by their friend Seamus Murphy and bears the inscription . . .  A Star Danced And Under That Was I Born . . .

We hope that, between us, we might have given you some good ideas for exploration of our wonderful West Cork landscapes and – perhaps – encourage you off the highways and on to the byways: there are so many adventures to be had, summer or winter. Travel Well!

Tralong Bay, Co Cork – A Prehistoric Drowned Landscape

In West Cork it is possible to examine the remains of trees which were growing several thousand years ago – perhaps in the time of our earliest ancestors. Around the coasts of Ireland and Britain are sites of post-glacial forests which flourished close to an ancient shoreline until inundated by rising sea levels in the Neolithic period. Cycles of change in weather, tides and geology over millennia saw these remains flooded by encroaching seas, then resurfacing, only to be buried under sediment and sand as tides abated. We are living in an age of extremes and recent abnormal climate activity has in places exposed some of these remains which are as old as human activity in Ireland: this is Organic Archaeology!

Header – Tralong Beach, between Glandore and Rosscarbery, where the remains of very ancient woodland can be seen. Upper map – the c1850 6″ OS map showing the shape of the coastline at Tralong Bay, and Lower map – a closer aerial view of the beach in modern times: the darker mass shows the partly submerged peat beds

Little has been written about the Tralong site, but another comparable drowned landscape has been revealed in Northumberland UK where archaeologist Clive Waddington, of the company Archaeology Research Services, has found the remains of an ancient forest on the coast of Low Hauxley. He reports:

. . . In 5,000 BC, the sea level rose rapidly and swallowed the earth. The sand dunes were pushed inland, burying the forest, and then the sea receded somewhat. Now, the sea level increases again: it cuts out the sand dunes and exposes the forest . . . During the course of the investigation, the archaeologists found evidence of human presence in the area: traces of adults and children , the analysis of which revealed that they were wearing leather footwear. With human footprints the scientists also found footprints of wild boar and brown bears . . .

Part of the beach at Tralong Bay, Co Cork: the surface of the peat mass, which could be up to 4 metres thick, is interspersed with numerous tree boles, roots and scattered branch and twig debris. At one place I found a perfect complete pine cone, which could have been part of that debris.

The surface of the beach is dotted with these remnants of ancient forest, over a wide area. It seems remarkable that there are also extensive blankets of loose material retained in the bay which must also originate from the forest.

Upper picture – one of the huge blankets of organic material – mainly wood based – which has been washed up to the north end of the bay at Tralong since the extreme storms of 2014. Lower pictures – closer views of the debris showing recognisable material including twigs and branches.

In November 2015 Michael Viney wrote a piece in the Irish Times on drowned forests in Galway Bay:

. . . All summer the quiet tides returned the sand that last winter’s storms had dragged offshore, heaping it even deeper over the old oaken wreck on the strand . . . Perhaps, though I hope not, this winter’s great mill wheels of waves will grind that deeply again. Storms two years ago tore away whole layers of sand and stone west of Spiddal in Galway Bay, uncovering stumps of ancient oak, pine and birch from a 7,000-year-old forest drowned as the sea rose after the end of the Ice Age. The same exceptional seas, on the north coast of Connemara, exposed remnants of human occupation a metre thick in the sand-cliff shore of Omey Island. There were medieval burials among them, and bog at least 6,000 years old . . . Elsewhere along the west coast yet more of the kitchen shell middens of early settlers, back to the late Mesolithic, were stripped away. So the sea reveals the past and then takes it away . . . Glimpses of Ireland’s lost shores and drowned forests are not new. Pinewoods submerged off the Bray coast were described by Robert Lloyd Praeger at the end of the 19th century when construction of Bray harbour changed sediment flows and piles of collapsed trees appeared above the sand . . .

Ancient forests reappeared again in Bray, Co Wicklow, in 2001, and more were revealed recently – in 2017. The Irish Times reported earlier this year on a project to discover “the lost landscapes” of the Irish Sea. 

Tralong Beach will change again, as the weather patterns vary, and it may not always be possible to experience the drowned landscape here. It’s an unmissable journey into deep history.

With many thanks to Robin Lewando for introducing us to this site, and to Anthony Beese for providing additional material