Buy An Grianan Hotel vouchers for deals on Boutique Hotel in Donegal. Check Availability Tucked amid the undulating countryside relief of Burt, the An Grianan Hotel is a rusticated hub for a genuinely Irish escape, with all the fixings in place: traditional food prepared using local produce, Celtic feast nights and easy access to all of Co. Donegals coastal and landlocked attractions. 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.