The three yorkshire peaks of pen y ghent whernside and ingleborough make up the demanding three peaks challenge this experience is not for the faint hearted challenge yourself and reap the benefits of conquering three of the uks toughest walks in less than 12 hours with a guide by your side every step of the way and transfers provided between each peak youll be able to focus on taking in the beautiful surroundings of the yorkshire countryside and on tackling the 1 600 metres of ascent and