Designed landscape features of this kind, which might include ornamental water, formal plantings, viewing mounds, ha-has, or decorative stonework, were typically created as part of the wider improvement of a demesne or estate, and their presence points to a moment when someone with means and ambition turned their attention to the ground around them.

Without further detail in the available record, the specifics of what survives at Dangan, who commissioned it, and when it was made remain unclear. What the classification itself suggests is that the site was considered significant enough to be noted as a deliberate intervention in the landscape, distinct from the functional or accidental. Dangan as a placename appears in Galway in more than one location, and the broader county has a long history of estate development, particularly from the seventeenth century onward, when landed families began reshaping their surroundings in line with fashions arriving from England and the Continent.