Leave behind your office day to day life and go on a hill walk around the beautiful snowdonia national park snowdonia is a region in north wales and the national park covers 838 square miles mountains such as snowdonia cader idris aran and the berwyns make up the landscape this is a truly memorable and uplifting day of adventure which will start in a remote part of the park and include some spectacular sights on the morning you will meet your guide and be given an introduction to the day