Lough Eske Castle, a Solis Hotel & Spa - Donegal, Ireland

Housed in a restored 17th-century castle on the shores of Lough Eske, this upscale hotel is 5.9 km from Donegal.

Refined rooms and suites feature flat-screen TVs and free Wi-Fi. Many rooms have 4-poster or canopy beds, while some suites add plush separate living rooms, free-standing baths and/or fireplaces. Room service is available.

There's an upscale grill restaurant that serves breakfast and dinner, an elegant bar offering light snacks and afternoon tea, and a traditional sports bar. The hotel also has a spa, an exercise room and an indoor pool.