# Knowth.com > Boyne Valley megalithic passage tombs in Ireland: Knowth, Newgrange, Dowth, Fourknocks, Loughcrew and the Hill of Tara. Archaeology, megalithic art, kerbstones, visitor information and heritage of the Bru na Boinne UNESCO World Heritage Site. ## Visitor Information - [Home](https://www.knowth.com/index.htm): Boyne Valley megalithic passage tombs in Ireland. - [Tours](https://www.knowth.com/tours.htm): Newgrange and Knowth tours at the Bru na Boinne Visitor Centre. - [Directions](https://www.knowth.com/directions.htm): Directions and maps for Newgrange, Knowth, Dowth, Fourknocks, Loughcrew and Tara. - [FAQ](https://www.knowth.com/frequently-asked-questions.htm): Tickets, archaeology, equinox alignment and visitor access at Knowth. - [Contact](https://www.knowth.com/contact.htm): Contact details for the Bru na Boinne Visitor Centre. - [Bru na Boinne](https://www.knowth.com/bru-na-boinne.htm): The Bru na Boinne Visitor Centre near Donore, starting point for Newgrange and Knowth tours. - [Local Info](https://www.knowth.com/localinfo.htm): Boyne Valley visitor guide for County Meath and south County Louth. - [Guide Books](https://www.knowth.com/guides.htm): Ancient Ireland explorer's and traveller's guide books. - [Images](https://www.knowth.com/images.htm): Photographic images of Newgrange, Knowth, Dowth and Loughcrew. - [Site Map](https://www.knowth.com/sitemap.htm): Curated site map for Knowth.com. ## Knowth - [Knowth](https://www.knowth.com/knowth.htm): Knowth passage tomb at Bru na Boinne with the Great Mound, kerbstones, megalithic art, excavations and visitor information. - [Kerbstones](https://www.knowth.com/knowth-kerbstones.htm): Decorated kerbstones of Knowth including K5, K13, K14, K15, K42, K56 and K67. - [Kerbstone Catalogue](https://www.knowth.com/kerbstones-knowth.htm): Catalogue of the 127 kerbstones at Knowth with Neolithic megalithic art. - [Kerbstone Numbering](https://www.knowth.com/knowth-kerbstone-numbering.htm): Compare George Eogan's and Martin Brennan's kerbstone numbering systems. - [Eastern Passage](https://www.knowth.com/knowth-east.htm): The 40 metre eastern passage and cruciform chamber at Knowth. - [Western Passage](https://www.knowth.com/knowth-western.htm): The western passage, George Eogan's 1967 rediscovery and the Guardian Stone. - [Alignments](https://www.knowth.com/knowth-alignments.htm): Are the Knowth passages aligned to the equinox? Review of the Prendergast and Ray surveys. - [Mace Head](https://www.knowth.com/knowth-mace-head.htm): The Knowth Mace Head, a ceremonial carved flint object from the eastern passage. - [Megalithic Art Book](https://www.knowth.com/knowth-megalithic-art.htm): Excavations at Knowth Volume 7, The Megalithic Art of the Passage Tombs. - [Great Mound](https://www.knowth.com/knowth-passage-tomb.htm): Excavations at Knowth Volume 6 by George Eogan and Kerri Cleary. - [Images](https://www.knowth.com/knowth-images.htm): Knowth passage tomb images and archaeology. - [Aerial](https://www.knowth.com/knowth-aerial.htm): Aerial photographs of Knowth in the Boyne Valley. - [Guide Book](https://www.knowth.com/knowth-book.htm): Knowth guide book published by the Royal Irish Academy. - [Books](https://www.knowth.com/knowth-books.htm): Books on Knowth, the Excavations at Knowth series and Bru na Boinne archaeology. - [Virtual Tour 1](https://www.knowth.com/virtual-tour1.htm): Knowth virtual tour from earliest settlement to Norman period. - [Virtual Tour 2](https://www.knowth.com/virtual-tour2.htm): Western Passage, mound and megalithic art. - [Virtual Tour 3](https://www.knowth.com/virtual-tour3.htm): Souterrains, Neolithic house and eastern passage. - [Historical Knowth](https://www.knowth.com/historical-knowth.htm): Historical Knowth and Its Hinterland, Volume 4 of the Excavations at Knowth series. ## Excavations at Knowth - [Volume 1](https://www.knowth.com/excavations-knowth-1.htm): Smaller Passage Tombs, Neolithic Occupation and Beaker Activity. - [Volume 2](https://www.knowth.com/excavations-knowth-2.htm): Prehistoric Settlement at Knowth. - [Volume 3](https://www.knowth.com/excavations-knowth-3.htm): Knowth and the Zooarchaeology of Early Christian Ireland. - [Excavation](https://www.knowth.com/excavation.htm): Newgrange excavation report critique by Alan Marshall. ## Newgrange - [Newgrange](https://www.knowth.com/newgrange.htm): Newgrange passage tomb at Bru na Boinne, built around 3200 BC, famed for winter solstice sunrise. - [Chamber](https://www.knowth.com/newgrange-chamber.htm): Photographs and archaeological context for the Newgrange passage and cruciform chamber. - [Interior](https://www.knowth.com/newgrange-interior.htm): Passage and chamber art at Newgrange. - [Kerbstones](https://www.knowth.com/newgrange-kerbstones.htm): Photographs of carved Newgrange kerbstones K1, K52, K67 and K93. - [Plans](https://www.knowth.com/newgrange-plans.htm): Plans from Michael J. O'Kelly's Newgrange: Archaeology, Art and Legend. - [Images](https://www.knowth.com/newgrange-images.htm): Photographs of Newgrange including the quartz facade, aerial views and kerbstones. - [Aerial](https://www.knowth.com/newgrange-aerial.htm): Aerial photographs of Newgrange passage tomb. - [Old Photographs](https://www.knowth.com/newgrange-old.htm): Historic photographs and a 1928 report on Newgrange. - [Solstice Lottery](https://www.knowth.com/newgrange-solstice-lottery.htm): How the Newgrange winter solstice lottery works. - [Temple to Life](https://www.knowth.com/newgrange-temple.htm): Chris O'Callaghan challenges the burial tomb label. - [Directions](https://www.knowth.com/newgrange-directions.htm): Maps and directions to the Bru na Boinne Visitor Centre. - [Book](https://www.knowth.com/newgrange-book.htm): Newgrange: Archaeology, Art and Legend by Michael J. O'Kelly. - [Books](https://www.knowth.com/newgrange-books.htm): Books on Newgrange in the Boyne Valley. - [O'Kelly](https://www.knowth.com/new_grange.htm): Professor Michael J. O'Kelly and the excavation of Newgrange. ## Dowth - [Dowth](https://www.knowth.com/dowth.htm): Dowth passage tomb at Bru na Boinne with passages, megalithic art and kerbstone K51. - [Images](https://www.knowth.com/dowth-images.htm): Photographs of Dowth including aerial views and kerbstone K51. - [Sunrise](https://www.knowth.com/dowth-sunrise.htm): Beltaine sunrise at Dowth photographed in 2006. - [Sunsets](https://www.knowth.com/dowth-sunsets.htm): Winter solstice sunsets at Dowth photographed by Anne-Marie Moroney. ## Fourknocks - [Fourknocks](https://www.knowth.com/fourknocks.htm): Neolithic passage tomb near Naul with a large cruciform chamber and megalithic art. - [Directions](https://www.knowth.com/fourknocks-directions.htm): Directions, map and GPS coordinates for Fourknocks. - [Face Stone](https://www.knowth.com/fourknocks-face-stone.htm): The Fourknocks Face Stone and debate over figurative art. - [Images](https://www.knowth.com/fourknocks-images.htm): Photographs of Fourknocks passage tomb. - [Excavation Reports](https://www.knowth.com/fourknocks-excavation-reports.htm): P.J. Hartnett's excavation reports for Fourknocks I and II. - [Book](https://www.knowth.com/fourknocks-book.htm): Fourknocks: Archaeology, Astronomy and Mythology by Anthony Murphy. ## Loughcrew - [Loughcrew](https://www.knowth.com/loughcrew.htm): Loughcrew passage tombs on Sliabh na Cailli including Cairn T and Cairn L. - [Equinox](https://www.knowth.com/loughcrew-equinox.htm): Equinox sunrise illumination at Loughcrew Cairn T. - [Cairn L](https://www.knowth.com/loughcrew-cairn-l.htm): Standing stone, Samhain alignment and megalithic art at Cairn L. - [Directions](https://www.knowth.com/loughcrew-directions.htm): Directions and maps for Loughcrew. - [Images](https://www.knowth.com/loughcrew-images.htm): Photographs of Loughcrew passage tombs. - [1898](https://www.knowth.com/loughcrew-1898.htm): An 1898 description of the Loughcrew cairns. ## Hill of Tara - [Tara](https://www.knowth.com/tara.htm): Hill of Tara, Ireland's ancient ceremonial centre with the Mound of the Hostages, Lia Fail and Royal Enclosure. - [Mound of the Hostages](https://www.knowth.com/mound-of-the-hostages.htm): Neolithic passage tomb on the Hill of Tara, built around 3000 BC. - [Rath of the Synods](https://www.knowth.com/rath-of-synods.htm): Excavated by Sean P. O Riordain in 1952. - [Samhain at Tara](https://www.knowth.com/tara-samhain.htm): Samhain sunrise alignment at the Mound of the Hostages. - [Aerial 1924](https://www.knowth.com/tara-aerial-1924.htm): An Irish Army Air Corps aerial view of Tara from 1924. - [Images](https://www.knowth.com/tara-images.htm): Aerial images of the Hill of Tara. - [Books](https://www.knowth.com/tara-books.htm): The Book of Tara and other Tara books. - [Survey](https://www.knowth.com/tara-survey.htm): Tara: An Archaeological Survey by Conor Newman. - [Teamhair](https://www.knowth.com/teamhair.htm): Teamhair na Ri (Tara of the Kings). ## Archaeologists and Researchers - [George Eogan](https://www.knowth.com/george_eogan.htm): George Eogan (1930-2021), director of the Knowth Research Project. - [David Sweetman](https://www.knowth.com/david_sweetman.htm): David Sweetman (1938-2023), former Chief Archaeologist of Ireland. - [Martin Brennan](https://www.knowth.com/martin_brennan.htm): Author of The Boyne Valley Vision and The Stones of Time. - [Treasures of the Boyne Valley](https://www.knowth.com/treasures-boyne-valley.htm): Peter Harbison's guide to the archaeology and heritage of the River Boyne. ## Megalithic Art and Archaeology - [Megalithic Art](https://www.knowth.com/megalithic-art.htm): Interpretations of Irish megalithic art at Knowth. - [Art](https://www.knowth.com/art.htm): Art by Helen Farrell inspired by Loughcrew and Dowth. - [Articles](https://www.knowth.com/articles.htm): Articles and research papers on Ancient Ireland. - [Books](https://www.knowth.com/books.htm): Books on Newgrange, Knowth, Tara, Loughcrew and megalithic sites. - [Celts](https://www.knowth.com/celts.htm): The Celts of Ancient Ireland: origins, Ireland, ogham and legacy. - [Sheela-na-gigs](https://www.knowth.com/sheela-na-gigs.htm): Sheela-na-gigs, the enigmatic medieval carvings of Ireland. - [Labyrinth](https://www.knowth.com/labyrinth.htm): Garden labyrinth inspired by Newgrange spirals. - [Stonehenge](https://www.knowth.com/stonehenge.htm): Stonehenge prehistoric monument in Wiltshire, England. - [Salmon of Wisdom](https://www.knowth.com/salmon-of-wisdom.htm): Newgrange, the salmon of wisdom and the mythology of the River Boyne. - [Halloween](https://www.knowth.com/halloween.htm): Meath the Home of Halloween and Tlachtga. - [Tlachtga](https://www.knowth.com/tlachtga.htm): The Hill of Ward and the Samhain fire festival. ## Solstice - [Winter Solstice](https://www.knowth.com/winter-solstice.htm): Newgrange winter solstice sunrise.