Knowth rises above the River Boyne in County Meath, within Brú na Bóinne, the archaeological landscape north of Dublin that also contains Newgrange and Dowth. UNESCO describes the property as a concentration of prehistoric monuments with funerary, social, economic and ritual significance. The three principal mounds were built around 3200 BCE, but the surrounding ridge preserves traces of activity extending into later periods. Knowth is not simply one tomb on a hill: it anchors a cluster of monuments in a landscape shaped over thousands of years.
The main mound is surrounded by smaller monuments and a broad ring of kerbstones, many carved with spirals, circles, lozenges and other geometric forms. The scale of the site and the number of decorated stones make it one of the most remarkable places to encounter Irish megalithic art. The carvings are not a written account with a settled translation; their meaning remains open to interpretation. Their placement on stones around the mound, at entrances and within passages is part of what visitors can observe directly.