Walking Rathcroghan: Ancient Irish Royal Site Inspires Halloween

A significant new walking trail now offers unprecedented access to Rathcroghan, one of Europe's oldest unexcavated royal sites. This unique ancient complex notably includes a mysterious cave widely regarded as Halloween's mythological birthplace.

The seemingly unassuming Roscommon landscape conceals dozens of circular earthworks and ancient burial mounds. Rathcroghan, an extensive 6.5 sq-km site, served as the ancient capital of Ireland's Connacht province, hosting 266 archaeological relics.

At its core lies Oweynagat cave, a formidable passageway long considered Ireland's "Gate to Hell" and the Celtic Otherworld. This sacred portal is the mythological genesis point for traditions that later evolved into the Halloween festival of Samhain.

Historically, Rathcroghan's numerous monuments remained largely inaccessible, situated primarily on private farmlands. A new 13km Rathcroghan Archaeological Walking Trail now seamlessly connects these key highlights, transforming visitor engagement with the ancient landscape.

Spanning 5,500 years, Rathcroghan functioned as a pivotal centre for ceremonial assemblies, feasts, and royal inaugurations. It also stands as a sacred burial ground for ancient kings and an enduring wellspring of Irish folklore, including the epic Táin.