Buy Arnolds Hotel vouchers for deals on Donegal Bed and Breakfast Stay. The Arnold Family Hotel enjoys scenic views of Sheephaven Bay, and its location provides a variety outdoor activities within foot’s reach. Guests can stroll along the sands of Killahoey, walk through the Ards forest Park, or the Glenveagh National Park. The hotel features a restaurant and whiskey bar for guests to rest in after a day outdoors. The northernmost county in Ireland, County Donegal beckons with glistening lakes, high cliffs, craggy bays and fjords. The second largest natural park in the country, Glenveagh National Park offers walking and hiking opportunities for active types, and something to see for cultural aficionados in the form of the Glenveagh Castle. The towns of Donegal and Letterkenny are home to numerous restaurants and pubs alongside landmarks such as the Donegal County Museum, Donegal Castle and the Donegal Railway Heritage Centre.