Holywell Hill [Cnoc an Tobair]

Rising above the Foyle Valley on the northwestern fringes of the Sperrins, this modest Marilyn offers a quiet, often boggy ascent. Its character is defined by gentle heathery slopes that reward walkers with a clear perspective over Derry city and the rugged peaks of the Inishowen Peninsula across the border in Donegal.

• •The name is a direct translation of the Irish Cnoc an Tobair, meaning 'Hill of the Well,' signifying a site once valued for a local spring or holy well on its slopes.
• •Despite its height of just 260 metres, it is classified as a Marilyn because its summit drops away significantly on all sides, providing a surprisingly expansive sense of isolation.
• •The summit offers a specific vantage point over the meandering River Foyle as it broadens towards the lough, with the distinctive flat-topped silhouette of Binevenagh visible to the northeast.
• •The hill sits in a transitional landscape where the high moorland of the Sperrins begins to give way to the greener, farmed drumlins that characterise the border country.