Mussenden Temple — a neoclassical circular temple commissioned in 1785 by Frederick Hervey, the 4th Earl of Bristol and Lord Bishop of Derry (known as the Earl-Bishop), perched on a 120-foot (36-metre) basalt cliff edge on Northern Ireland's coast, overlooking the vast Atlantic Ocean and the miles-long Downhill Strand. Modelled on the Temple of Vesta at Tivoli, Rome, the building was designed by Cork-born architect Michael Shanahan and originally served as a summer library and retreat for the Earl-Bishop's beloved cousin, Frideswide Mussenden. Sixteen Corinthian columns surround the domed rotunda, with Lucretius's famous quote inscribed on the lintel: "Suave, mari magno..." ("It is pleasant, when the winds disturb the surface of the great sea, to watch from land the struggles of another"). Over two centuries, coastal erosion has steadily encroached, and in 1997 the National Trust carried out a major cliff stabilisation project to prevent Ireland's most photographed building from falling into the sea. From the temple, southwest views stretch to Magilligan Point and the Donegal mountains, while northeast views reveal Castlerock beach, Portstewart and the dramatic coastline of Fair Head. The temple also served as one of the filming locations for "Dragonstone" in HBO's Game of Thrones. Open free of charge year-round, it is an unmissable landmark along the Causeway Coastal Route.
From the Roman-style temple atop the cliff to the ruins of Downhill House, from the apple trees of the Walled Garden to the sound of waves on the coastal path — step into the Earl-Bishop's romantic legacy spanning two centuries
In the morning, enter the Downhill Demesne estate through Lion's Gate car park and pass through the beautifully restored Walled Garden — in the 18th century it supplied fruit and vegetables for the estate, now shaded by apple trees with sheep grazing peacefully. Follow the grass path to the charming Dovecote and Ice House — the latter used winter pond ice to keep the Earl-Bishop's table stocked with fresh fish before refrigeration. Continue along the clifftop path, and the ruins of Downhill House emerge before you — this Georgian mansion, begun in 1772, ravaged by fire in 1851 and abandoned after WWII, now stands as a three-storey stone shell. Yet stepping inside to gaze at the sky through what was once the ceiling, identifying signs for "Kitchen," "Great Hall," and "Library," remains a deeply evocative experience. Finally, follow the cliff-edge trail to the climax of your journey: Mussenden Temple rises slowly from the horizon, its 16 Corinthian columns standing firm in the wind, the stone urn atop the dome pointing to the heavens. From the temple's western window, Downhill Strand unfurls like a golden ribbon toward Magilligan Point, with the Donegal mountains shimmering through the haze. Lucretius's Latin inscription on the lintel is clearly legible in the sunlight. In the afternoon, retrace your steps to explore the Hervey Mausoleum — a cliff-side memorial chamber built for the Earl-Bishop's brother George — and the Arboretum near Bishop's Gate, where towering 18th- and 19th-century trees form a natural windbreak. In the evening, drive or walk down to Downhill Strand to view the temple from sea level — universally recognised by photography guides as the "ultimate angle," free and breathtaking.
A hidden gem at Castlerock Golf Club, 65 Circular Road, overlooking the championship links' emerald fairways and the Atlantic Ocean. Signature pan-seared Sea Bass (£18) with golden crispy skin and tender flesh, Black Pepper Chicken (£16) and Cauliflower Tikka Masala (£14) are equally impressive. The Sunday Carvery is famously generous and excellent value — a weekend favourite for locals. Warm wood-panelled interiors with floor-to-ceiling ocean views create a relaxed atmosphere. Average £20-35, advance booking recommended for weekends.
A miniature food paradise at 24 Sea Road, serving handcrafted burgers that have swept Northern Ireland's coastal route reputation charts. Signature Korean Chicken Fries (£9) and Hawaiian Burger (£10) deliver explosive flavour, while Dirty Fries smothered in cheese sauce and spicy minced beef (£6) are a must-order sharing snack. Everything is freshly prepared with generous portions — "a double burger set needs two people to finish." Friendly, attentive owner, relaxed vibe. Average £8-15, takeaway/outdoor seating only, no alcohol license but BYOB welcome.
Perched on Main Street opposite Castlerock beach, this hipster hangout perfectly blends surf culture with café vibes. Comfortable sofa area lets you listen to the waves and street buzz simultaneously. Homemade Toasties (£5.50), Cinnamon Buns and Iced Lattes are the signature combo. The shop also sells Castlerock-themed T-shirts, surf posters and stickers. Sitting by the street window watching surfers carrying boards past is the most relaxing afternoon on this coastal village. Average £6-12, opening hours vary seasonally.
A long-established fish and chip shop in Castlerock village, right by the beach — the perfect meal after your temple walk. Signature Haddock & Chips (£9.50) features light, crispy batter and flaky white fish, served with mushy peas and homemade tartare sauce; Cod & Chips (£10) is similarly acclaimed as "the coast's best" by locals. Tempura Prawns and Salted Chilli Prawns add international flair to the menu. Enjoy your meal on a beach bench listening to waves lap the shore. Average £8-15, queues can be long in peak season — phone orders recommended.