Killarney National Park

Sprawling over 10,236 hectares, the sublime Killarney National Park is an idyllic place to explore. Ross Castle and Muckross House draw big crowds, but it's possible to escape amid Ireland's largest area of ancient oak woods, with panoramic views of its highest mountains and the country's only wild herd of native red deer.
Rolling hills covered in green foliage give way to a lake backed by mountains in a national park.

©Nicolas Kipourax Paquet/Getty Images

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